251386460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{966871}}^1$

素因数の和:966893

約数の個数: 24

約数和(自身を含む): 568520736

約数和(自身を除く): 317134276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 966871, 1933742, 3867484, 4834355, 9668710, 12569323, 19337420, 25138646, 50277292, 62846615, 125693230, 251386460]

約数ペア:

[(1, 251386460), (2, 125693230), (4, 62846615), (5, 50277292), (10, 25138646), (13, 19337420), (20, 12569323), (26, 9668710), (52, 4834355), (65, 3867484), (130, 1933742), (260, 966871)]