31458674

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:762

約数の個数: 24

約数和(自身を含む): 51500592

約数和(自身を除く): 20041918

約数列:

[1, 2, 13, 26, 163, 169, 326, 338, 571, 1142, 2119, 4238, 7423, 14846, 27547, 55094, 93073, 96499, 186146, 192998, 1209949, 2419898, 15729337, 31458674]

約数ペア:

[(1, 31458674), (2, 15729337), (13, 2419898), (26, 1209949), (163, 192998), (169, 186146), (326, 96499), (338, 93073), (571, 55094), (1142, 27547), (2119, 14846), (4238, 7423)]