15217790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{217397}}^1$

素因数の和:217411

約数の個数: 16

約数和(自身を含む): 31305312

約数和(自身を除く): 16087522

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 217397, 434794, 1086985, 1521779, 2173970, 3043558, 7608895, 15217790]

約数ペア:

[(1, 15217790), (2, 7608895), (5, 3043558), (7, 2173970), (10, 1521779), (14, 1086985), (35, 434794), (70, 217397)]