31380934

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:664

約数の個数: 24

約数和(自身を含む): 51320520

約数和(自身を除く): 19939586

約数列:

[1, 2, 13, 26, 169, 227, 338, 409, 454, 818, 2951, 5317, 5902, 10634, 38363, 69121, 76726, 92843, 138242, 185686, 1206959, 2413918, 15690467, 31380934]

約数ペア:

[(1, 31380934), (2, 15690467), (13, 2413918), (26, 1206959), (169, 185686), (227, 138242), (338, 92843), (409, 76726), (454, 69121), (818, 38363), (2951, 10634), (5317, 5902)]