64903735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{26987}}^1$

素因数の和:27042

約数の個数: 16

約数和(自身を含む): 86145696

約数和(自身を除く): 21241961

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 26987, 134935, 350831, 998519, 1754155, 4992595, 12980747, 64903735]

約数ペア:

[(1, 64903735), (5, 12980747), (13, 4992595), (37, 1754155), (65, 998519), (185, 350831), (481, 134935), (2405, 26987)]