645024385

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{6221}}^1$

素因数の和:6548

約数の個数: 16

約数和(自身を含む): 786211920

約数和(自身を除く): 141187535

約数列:

[1, 5, 89, 233, 445, 1165, 6221, 20737, 31105, 103685, 553669, 1449493, 2768345, 7247465, 129004877, 645024385]

約数ペア:

[(1, 645024385), (5, 129004877), (89, 7247465), (233, 2768345), (445, 1449493), (1165, 553669), (6221, 103685), (20737, 31105)]