12840964

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 23143680

約数和(自身を除く): 10302716

約数列:

[1, 2, 4, 47, 94, 167, 188, 334, 409, 668, 818, 1636, 7849, 15698, 19223, 31396, 38446, 68303, 76892, 136606, 273212, 3210241, 6420482, 12840964]

約数ペア:

[(1, 12840964), (2, 6420482), (4, 3210241), (47, 273212), (94, 136606), (167, 76892), (188, 68303), (334, 38446), (409, 31396), (668, 19223), (818, 15698), (1636, 7849)]