68680664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{660391}}^1$

素因数の和:660410

約数の個数: 16

約数和(自身を含む): 138682320

約数和(自身を除く): 70001656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 660391, 1320782, 2641564, 5283128, 8585083, 17170166, 34340332, 68680664]

約数ペア:

[(1, 68680664), (2, 34340332), (4, 17170166), (8, 8585083), (13, 5283128), (26, 2641564), (52, 1320782), (104, 660391)]