31686317

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 37353960

約数和(自身を除く): 5667643

約数列:

[1, 13, 17, 41, 169, 221, 269, 533, 697, 2873, 3497, 4573, 6929, 9061, 11029, 45461, 59449, 117793, 143377, 187493, 772837, 1863901, 2437409, 31686317]

約数ペア:

[(1, 31686317), (13, 2437409), (17, 1863901), (41, 772837), (169, 187493), (221, 143377), (269, 117793), (533, 59449), (697, 45461), (2873, 11029), (3497, 9061), (4573, 6929)]