684905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 910224

約数和(自身を除く): 225319

約数列:

[1, 5, 13, 41, 65, 205, 257, 533, 1285, 2665, 3341, 10537, 16705, 52685, 136981, 684905]

約数ペア:

[(1, 684905), (5, 136981), (13, 52685), (41, 16705), (65, 10537), (205, 3341), (257, 2665), (533, 1285)]