90780456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{290963}}^1$

素因数の和:290985

約数の個数: 32

約数和(自身を含む): 244409760

約数和(自身を除く): 153629304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 290963, 581926, 872889, 1163852, 1745778, 2327704, 3491556, 3782519, 6983112, 7565038, 11347557, 15130076, 22695114, 30260152, 45390228, 90780456]

約数ペア:

[(1, 90780456), (2, 45390228), (3, 30260152), (4, 22695114), (6, 15130076), (8, 11347557), (12, 7565038), (13, 6983112), (24, 3782519), (26, 3491556), (39, 2327704), (52, 1745778), (78, 1163852), (104, 872889), (156, 581926), (312, 290963)]