6640855

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 8959680

約数和(自身を除く): 2318825

約数列:

[1, 5, 13, 29, 65, 145, 169, 271, 377, 845, 1355, 1885, 3523, 4901, 7859, 17615, 24505, 39295, 45799, 102167, 228995, 510835, 1328171, 6640855]

約数ペア:

[(1, 6640855), (5, 1328171), (13, 510835), (29, 228995), (65, 102167), (145, 45799), (169, 39295), (271, 24505), (377, 17615), (845, 7859), (1355, 4901), (1885, 3523)]