12982645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 18385920

約数和(自身を除く): 5403275

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 379, 403, 527, 1105, 1895, 2015, 2635, 4927, 6443, 6851, 11749, 24635, 32215, 34255, 58745, 83759, 152737, 199733, 418795, 763685, 998665, 2596529, 12982645]

約数ペア:

[(1, 12982645), (5, 2596529), (13, 998665), (17, 763685), (31, 418795), (65, 199733), (85, 152737), (155, 83759), (221, 58745), (379, 34255), (403, 32215), (527, 24635), (1105, 11749), (1895, 6851), (2015, 6443), (2635, 4927)]