388243128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 256

約数和(自身を含む): 1277337600

約数和(自身を除く): 889094472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 23, 24, 26, 28, 39, 42, 46, 52, 56, 59, 69, 78, 84, 91, 92, 104, 118, 131, 138, 156, 161, 168, 177, 182, 184, 236, 262, 273, 276, 299, 312, 322, 354, 364, 393, 413, 472, 483, 524, 546, 552, 598, 644, 708, 728, 767, 786, 826, 897, 917, 966, 1048, 1092, 1196, 1239, 1288, 1357, 1416, 1534, 1572, 1652, 1703, 1794, 1834, 1932, 2093, 2184, 2301, 2392, 2478, 2714, 2751, 3013, 3068, 3144, 3304, 3406, 3588, 3668, 3864, 4071, 4186, 4602, 4956, 5109, 5369, 5428, 5502, 6026, 6136, 6279, 6812, 7176, 7336, 7729, 8142, 8372, 9039, 9204, 9499, 9912, 10218, 10738, 10856, 11004, 11921, 12052, 12558, 13624, 15458, 16107, 16284, 16744, 17641, 18078, 18408, 18998, 20436, 21091, 21476, 22008, 23187, 23842, 24104, 25116, 28497, 30916, 32214, 32568, 35282, 35763, 36156, 37996, 39169, 40872, 42182, 42952, 46374, 47684, 50232, 52923, 54103, 56994, 61832, 63273, 64428, 70564, 71526, 72312, 75992, 78338, 84364, 92748, 95368, 100477, 105846, 108206, 113988, 117507, 123487, 126546, 128856, 141128, 143052, 156676, 162309, 168728, 177767, 185496, 200954, 211692, 216412, 227976, 235014, 246974, 253092, 274183, 286104, 301431, 313352, 324618, 355534, 370461, 401908, 423384, 432824, 470028, 493948, 506184, 533301, 548366, 602862, 649236, 703339, 711068, 740922, 803816, 822549, 940056, 987896, 1066602, 1096732, 1205724, 1244369, 1298472, 1406678, 1422136, 1481844, 1645098, 2110017, 2133204, 2193464, 2310971, 2411448, 2488738, 2813356, 2963688, 3290196, 3733107, 4220034, 4266408, 4621942, 4977476, 5626712, 6580392, 6932913, 7466214, 8440068, 9243884, 9954952, 13865826, 14932428, 16176797, 16880136, 18487768, 27731652, 29864856, 32353594, 48530391, 55463304, 64707188, 97060782, 129414376, 194121564, 388243128]

約数ペア:

[(1, 388243128), (2, 194121564), (3, 129414376), (4, 97060782), (6, 64707188), (7, 55463304), (8, 48530391), (12, 32353594), (13, 29864856), (14, 27731652), (21, 18487768), (23, 16880136), (24, 16176797), (26, 14932428), (28, 13865826), (39, 9954952), (42, 9243884), (46, 8440068), (52, 7466214), (56, 6932913), (59, 6580392), (69, 5626712), (78, 4977476), (84, 4621942), (91, 4266408), (92, 4220034), (104, 3733107), (118, 3290196), (131, 2963688), (138, 2813356), (156, 2488738), (161, 2411448), (168, 2310971), (177, 2193464), (182, 2133204), (184, 2110017), (236, 1645098), (262, 1481844), (273, 1422136), (276, 1406678), (299, 1298472), (312, 1244369), (322, 1205724), (354, 1096732), (364, 1066602), (393, 987896), (413, 940056), (472, 822549), (483, 803816), (524, 740922), (546, 711068), (552, 703339), (598, 649236), (644, 602862), (708, 548366), (728, 533301), (767, 506184), (786, 493948), (826, 470028), (897, 432824), (917, 423384), (966, 401908), (1048, 370461), (1092, 355534), (1196, 324618), (1239, 313352), (1288, 301431), (1357, 286104), (1416, 274183), (1534, 253092), (1572, 246974), (1652, 235014), (1703, 227976), (1794, 216412), (1834, 211692), (1932, 200954), (2093, 185496), (2184, 177767), (2301, 168728), (2392, 162309), (2478, 156676), (2714, 143052), (2751, 141128), (3013, 128856), (3068, 126546), (3144, 123487), (3304, 117507), (3406, 113988), (3588, 108206), (3668, 105846), (3864, 100477), (4071, 95368), (4186, 92748), (4602, 84364), (4956, 78338), (5109, 75992), (5369, 72312), (5428, 71526), (5502, 70564), (6026, 64428), (6136, 63273), (6279, 61832), (6812, 56994), (7176, 54103), (7336, 52923), (7729, 50232), (8142, 47684), (8372, 46374), (9039, 42952), (9204, 42182), (9499, 40872), (9912, 39169), (10218, 37996), (10738, 36156), (10856, 35763), (11004, 35282), (11921, 32568), (12052, 32214), (12558, 30916), (13624, 28497), (15458, 25116), (16107, 24104), (16284, 23842), (16744, 23187), (17641, 22008), (18078, 21476), (18408, 21091), (18998, 20436)]