657159490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{11411}}^1$

素因数の和:11874

約数の個数: 32

約数和(自身を含む): 1276865856

約数和(自身を除く): 619706366

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 443, 886, 2215, 4430, 5759, 11411, 11518, 22822, 28795, 57055, 57590, 114110, 148343, 296686, 741715, 1483430, 5055073, 10110146, 25275365, 50550730, 65715949, 131431898, 328579745, 657159490]

約数ペア:

[(1, 657159490), (2, 328579745), (5, 131431898), (10, 65715949), (13, 50550730), (26, 25275365), (65, 10110146), (130, 5055073), (443, 1483430), (886, 741715), (2215, 296686), (4430, 148343), (5759, 114110), (11411, 57590), (11518, 57055), (22822, 28795)]