31913388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 94887520

約数和(自身を除く): 62974132

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 37, 38, 39, 52, 57, 74, 76, 78, 97, 111, 114, 117, 148, 156, 171, 194, 222, 228, 234, 247, 291, 333, 342, 388, 444, 468, 481, 494, 582, 666, 684, 703, 741, 873, 962, 988, 1164, 1261, 1332, 1406, 1443, 1482, 1746, 1843, 1924, 2109, 2223, 2522, 2812, 2886, 2964, 3492, 3589, 3686, 3783, 4218, 4329, 4446, 5044, 5529, 5772, 6327, 7178, 7372, 7566, 8436, 8658, 8892, 9139, 10767, 11058, 11349, 12654, 14356, 15132, 16587, 17316, 18278, 21534, 22116, 22698, 23959, 25308, 27417, 32301, 33174, 36556, 43068, 45396, 46657, 47918, 54834, 64602, 66348, 68191, 71877, 82251, 93314, 95836, 109668, 129204, 136382, 139971, 143754, 164502, 186628, 204573, 215631, 272764, 279942, 287508, 329004, 409146, 419913, 431262, 559884, 613719, 818292, 839826, 862524, 886483, 1227438, 1679652, 1772966, 2454876, 2659449, 3545932, 5318898, 7978347, 10637796, 15956694, 31913388]

約数ペア:

[(1, 31913388), (2, 15956694), (3, 10637796), (4, 7978347), (6, 5318898), (9, 3545932), (12, 2659449), (13, 2454876), (18, 1772966), (19, 1679652), (26, 1227438), (36, 886483), (37, 862524), (38, 839826), (39, 818292), (52, 613719), (57, 559884), (74, 431262), (76, 419913), (78, 409146), (97, 329004), (111, 287508), (114, 279942), (117, 272764), (148, 215631), (156, 204573), (171, 186628), (194, 164502), (222, 143754), (228, 139971), (234, 136382), (247, 129204), (291, 109668), (333, 95836), (342, 93314), (388, 82251), (444, 71877), (468, 68191), (481, 66348), (494, 64602), (582, 54834), (666, 47918), (684, 46657), (703, 45396), (741, 43068), (873, 36556), (962, 33174), (988, 32301), (1164, 27417), (1261, 25308), (1332, 23959), (1406, 22698), (1443, 22116), (1482, 21534), (1746, 18278), (1843, 17316), (1924, 16587), (2109, 15132), (2223, 14356), (2522, 12654), (2812, 11349), (2886, 11058), (2964, 10767), (3492, 9139), (3589, 8892), (3686, 8658), (3783, 8436), (4218, 7566), (4329, 7372), (4446, 7178), (5044, 6327), (5529, 5772)]