678956221436

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{149}}^2\times {\mathrm{55807}}^1$

素因数の和:56246

約数の個数: 36

約数和(自身を含む): 1204954211328

約数和(自身を除く): 525997989892

約数列:

[1, 2, 4, 137, 149, 274, 298, 548, 596, 20413, 22201, 40826, 44402, 55807, 81652, 88804, 111614, 223228, 3041537, 6083074, 7645559, 8315243, 12166148, 15291118, 16630486, 30582236, 33260972, 1139188291, 1238971207, 2278376582, 2477942414, 4556753164, 4955884828, 169739055359, 339478110718, 678956221436]

約数ペア:

[(1, 678956221436), (2, 339478110718), (4, 169739055359), (137, 4955884828), (149, 4556753164), (274, 2477942414), (298, 2278376582), (548, 1238971207), (596, 1139188291), (20413, 33260972), (22201, 30582236), (40826, 16630486), (44402, 15291118), (55807, 12166148), (81652, 8315243), (88804, 7645559), (111614, 6083074), (223228, 3041537)]