645173672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19447}}^1$

素因数の和:19506

約数の個数: 64

約数和(自身を含む): 1470268800

約数和(自身を除く): 825095128

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 232, 286, 319, 377, 572, 638, 754, 1144, 1276, 1508, 2552, 3016, 4147, 8294, 16588, 19447, 33176, 38894, 77788, 155576, 213917, 252811, 427834, 505622, 563963, 855668, 1011244, 1127926, 1711336, 2022488, 2255852, 2780921, 4511704, 5561842, 6203593, 7331519, 11123684, 12407186, 14663038, 22247368, 24814372, 29326076, 49628744, 58652152, 80646709, 161293418, 322586836, 645173672]

約数ペア:

[(1, 645173672), (2, 322586836), (4, 161293418), (8, 80646709), (11, 58652152), (13, 49628744), (22, 29326076), (26, 24814372), (29, 22247368), (44, 14663038), (52, 12407186), (58, 11123684), (88, 7331519), (104, 6203593), (116, 5561842), (143, 4511704), (232, 2780921), (286, 2255852), (319, 2022488), (377, 1711336), (572, 1127926), (638, 1011244), (754, 855668), (1144, 563963), (1276, 505622), (1508, 427834), (2552, 252811), (3016, 213917), (4147, 155576), (8294, 77788), (16588, 38894), (19447, 33176)]