31303870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18523}}^1$

素因数の和:18556

約数の個数: 24

約数和(自身を含む): 61018056

約数和(自身を除く): 29714186

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 18523, 37046, 92615, 185230, 240799, 481598, 1203995, 2407990, 3130387, 6260774, 15651935, 31303870]

約数ペア:

[(1, 31303870), (2, 15651935), (5, 6260774), (10, 3130387), (13, 2407990), (26, 1203995), (65, 481598), (130, 240799), (169, 185230), (338, 92615), (845, 37046), (1690, 18523)]