215877475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 314685216

約数和(自身を除く): 98807741

約数列:

[1, 5, 11, 17, 25, 55, 61, 85, 187, 275, 305, 425, 671, 757, 935, 1037, 1525, 3355, 3785, 4675, 5185, 8327, 11407, 12869, 16775, 18925, 25925, 41635, 46177, 57035, 64345, 141559, 208175, 230885, 285175, 321725, 507947, 707795, 785009, 1154425, 2539735, 3538975, 3925045, 8635099, 12698675, 19625225, 43175495, 215877475]

約数ペア:

[(1, 215877475), (5, 43175495), (11, 19625225), (17, 12698675), (25, 8635099), (55, 3925045), (61, 3538975), (85, 2539735), (187, 1154425), (275, 785009), (305, 707795), (425, 507947), (671, 321725), (757, 285175), (935, 230885), (1037, 208175), (1525, 141559), (3355, 64345), (3785, 57035), (4675, 46177), (5185, 41635), (8327, 25925), (11407, 18925), (12869, 16775)]