64761331804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1245410227}}^1$

素因数の和:1245410244

約数の個数: 12

約数和(自身を含む): 122050202344

約数和(自身を除く): 57288870540

約数列:

[1, 2, 4, 13, 26, 52, 1245410227, 2490820454, 4981640908, 16190332951, 32380665902, 64761331804]

約数ペア:

[(1, 64761331804), (2, 32380665902), (4, 16190332951), (13, 4981640908), (26, 2490820454), (52, 1245410227)]