255940818

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{870547}}^1$

素因数の和:870566

約数の個数: 24

約数和(自身を含む): 595454832

約数和(自身を除く): 339514014

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 870547, 1741094, 2611641, 5223282, 6093829, 12187658, 18281487, 36562974, 42656803, 85313606, 127970409, 255940818]

約数ペア:

[(1, 255940818), (2, 127970409), (3, 85313606), (6, 42656803), (7, 36562974), (14, 18281487), (21, 12187658), (42, 6093829), (49, 5223282), (98, 2611641), (147, 1741094), (294, 870547)]