61979905

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1789}}^1$

素因数の和:1861

約数の個数: 24

約数和(自身を含む): 82547640

約数和(自身を除く): 20567735

約数列:

[1, 5, 13, 41, 65, 169, 205, 533, 845, 1789, 2665, 6929, 8945, 23257, 34645, 73349, 116285, 302341, 366745, 953537, 1511705, 4767685, 12395981, 61979905]

約数ペア:

[(1, 61979905), (5, 12395981), (13, 4767685), (41, 1511705), (65, 953537), (169, 366745), (205, 302341), (533, 116285), (845, 73349), (1789, 34645), (2665, 23257), (6929, 8945)]