256004866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{2083}}^1$

素因数の和:2290

約数の個数: 32

約数和(自身を含む): 430637760

約数和(自身を除く): 174632894

約数列:

[1, 2, 13, 26, 29, 58, 163, 326, 377, 754, 2083, 2119, 4166, 4238, 4727, 9454, 27079, 54158, 60407, 61451, 120814, 122902, 339529, 679058, 785291, 1570582, 4413877, 8827754, 9846341, 19692682, 128002433, 256004866]

約数ペア:

[(1, 256004866), (2, 128002433), (13, 19692682), (26, 9846341), (29, 8827754), (58, 4413877), (163, 1570582), (326, 785291), (377, 679058), (754, 339529), (2083, 122902), (2119, 120814), (4166, 61451), (4238, 60407), (4727, 54158), (9454, 27079)]