647966150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{996871}}^1$

素因数の和:996896

約数の個数: 24

約数和(自身を含む): 1297927344

約数和(自身を除く): 649961194

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 996871, 1993742, 4984355, 9968710, 12959323, 24921775, 25918646, 49843550, 64796615, 129593230, 323983075, 647966150]

約数ペア:

[(1, 647966150), (2, 323983075), (5, 129593230), (10, 64796615), (13, 49843550), (25, 25918646), (26, 24921775), (50, 12959323), (65, 9968710), (130, 4984355), (325, 1993742), (650, 996871)]