64941136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{312217}}^1$

素因数の和:312238

約数の個数: 20

約数和(自身を含む): 135502612

約数和(自身を除く): 70561476

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 312217, 624434, 1248868, 2497736, 4058821, 4995472, 8117642, 16235284, 32470568, 64941136]

約数ペア:

[(1, 64941136), (2, 32470568), (4, 16235284), (8, 8117642), (13, 4995472), (16, 4058821), (26, 2497736), (52, 1248868), (104, 624434), (208, 312217)]