247996931

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{87911}}^1$

素因数の和:87962

約数の個数: 16

約数和(自身を含む): 315076608

約数和(自身を除く): 67079677

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 87911, 615377, 1142843, 2725241, 7999901, 19076687, 35428133, 247996931]

約数ペア:

[(1, 247996931), (7, 35428133), (13, 19076687), (31, 7999901), (91, 2725241), (217, 1142843), (403, 615377), (2821, 87911)]