290665752

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{931621}}^1$

素因数の和:931643

約数の個数: 32

約数和(自身を含む): 782562480

約数和(自身を除く): 491896728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 931621, 1863242, 2794863, 3726484, 5589726, 7452968, 11179452, 12111073, 22358904, 24222146, 36333219, 48444292, 72666438, 96888584, 145332876, 290665752]

約数ペア:

[(1, 290665752), (2, 145332876), (3, 96888584), (4, 72666438), (6, 48444292), (8, 36333219), (12, 24222146), (13, 22358904), (24, 12111073), (26, 11179452), (39, 7452968), (52, 5589726), (78, 3726484), (104, 2794863), (156, 1863242), (312, 931621)]