217295988

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 662323200

約数和(自身を除く): 445027212

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 49, 52, 62, 78, 84, 91, 93, 98, 124, 131, 147, 156, 182, 186, 196, 217, 262, 273, 294, 343, 364, 372, 393, 403, 434, 524, 546, 588, 637, 651, 686, 786, 806, 868, 917, 1029, 1092, 1209, 1274, 1302, 1372, 1519, 1572, 1612, 1703, 1834, 1911, 2058, 2418, 2548, 2604, 2751, 2821, 3038, 3406, 3668, 3822, 4061, 4116, 4459, 4557, 4836, 5109, 5502, 5642, 6076, 6419, 6812, 7644, 8122, 8463, 8918, 9114, 10218, 10633, 11004, 11284, 11921, 12183, 12838, 13377, 16244, 16926, 17836, 18228, 19257, 19747, 20436, 21266, 23842, 24366, 25676, 26754, 28427, 31899, 33852, 35763, 38514, 39494, 42532, 44933, 47684, 48732, 52793, 53508, 56854, 59241, 63798, 71526, 77028, 78988, 83447, 85281, 89866, 105586, 113708, 118482, 127596, 134799, 138229, 143052, 158379, 166894, 170562, 179732, 198989, 211172, 236964, 250341, 269598, 276458, 316758, 333788, 341124, 369551, 397978, 414687, 500682, 539196, 552916, 584129, 596967, 633516, 739102, 795956, 829374, 1001364, 1108653, 1168258, 1193934, 1392923, 1478204, 1658748, 1752387, 2217306, 2336516, 2387868, 2586857, 2785846, 3504774, 4178769, 4434612, 5173714, 5571692, 7009548, 7760571, 8357538, 10347428, 15521142, 16715076, 18107999, 31042284, 36215998, 54323997, 72431996, 108647994, 217295988]

約数ペア:

[(1, 217295988), (2, 108647994), (3, 72431996), (4, 54323997), (6, 36215998), (7, 31042284), (12, 18107999), (13, 16715076), (14, 15521142), (21, 10347428), (26, 8357538), (28, 7760571), (31, 7009548), (39, 5571692), (42, 5173714), (49, 4434612), (52, 4178769), (62, 3504774), (78, 2785846), (84, 2586857), (91, 2387868), (93, 2336516), (98, 2217306), (124, 1752387), (131, 1658748), (147, 1478204), (156, 1392923), (182, 1193934), (186, 1168258), (196, 1108653), (217, 1001364), (262, 829374), (273, 795956), (294, 739102), (343, 633516), (364, 596967), (372, 584129), (393, 552916), (403, 539196), (434, 500682), (524, 414687), (546, 397978), (588, 369551), (637, 341124), (651, 333788), (686, 316758), (786, 276458), (806, 269598), (868, 250341), (917, 236964), (1029, 211172), (1092, 198989), (1209, 179732), (1274, 170562), (1302, 166894), (1372, 158379), (1519, 143052), (1572, 138229), (1612, 134799), (1703, 127596), (1834, 118482), (1911, 113708), (2058, 105586), (2418, 89866), (2548, 85281), (2604, 83447), (2751, 78988), (2821, 77028), (3038, 71526), (3406, 63798), (3668, 59241), (3822, 56854), (4061, 53508), (4116, 52793), (4459, 48732), (4557, 47684), (4836, 44933), (5109, 42532), (5502, 39494), (5642, 38514), (6076, 35763), (6419, 33852), (6812, 31899), (7644, 28427), (8122, 26754), (8463, 25676), (8918, 24366), (9114, 23842), (10218, 21266), (10633, 20436), (11004, 19747), (11284, 19257), (11921, 18228), (12183, 17836), (12838, 16926), (13377, 16244)]