64943632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{312229}}^1$

素因数の和:312250

約数の個数: 20

約数和(自身を含む): 135507820

約数和(自身を除く): 70564188

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 312229, 624458, 1248916, 2497832, 4058977, 4995664, 8117954, 16235908, 32471816, 64943632]

約数ペア:

[(1, 64943632), (2, 32471816), (4, 16235908), (8, 8117954), (13, 4995664), (16, 4058977), (26, 2497832), (52, 1248916), (104, 624458), (208, 312229)]