199928687

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{23663}}^1$

素因数の和:23758

約数の個数: 16

約数和(自身を含む): 245348352

約数和(自身を除く): 45419665

約数列:

[1, 7, 17, 71, 119, 497, 1207, 8449, 23663, 165641, 402271, 1680073, 2815897, 11760511, 28561241, 199928687]

約数ペア:

[(1, 199928687), (7, 28561241), (17, 11760511), (71, 2815897), (119, 1680073), (497, 402271), (1207, 165641), (8449, 23663)]