399197258

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{55001}}^1$

素因数の和:55213

約数の個数: 16

約数和(自身を含む): 633623040

約数和(自身を除く): 234425782

約数列:

[1, 2, 19, 38, 191, 382, 3629, 7258, 55001, 110002, 1045019, 2090038, 10505191, 21010382, 199598629, 399197258]

約数ペア:

[(1, 399197258), (2, 199598629), (19, 21010382), (38, 10505191), (191, 2090038), (382, 1045019), (3629, 110002), (7258, 55001)]