399452977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1\times {\mathrm{5081}}^1$

素因数の和:6120

約数の個数: 16

約数和(自身を含む): 498605184

約数和(自身を除く): 99152207

約数列:

[1, 7, 11, 77, 1021, 5081, 7147, 11231, 35567, 55891, 78617, 391237, 5187701, 36313907, 57064711, 399452977]

約数ペア:

[(1, 399452977), (7, 57064711), (11, 36313907), (77, 5187701), (1021, 391237), (5081, 78617), (7147, 55891), (11231, 35567)]