68715366928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330362341}}^1$

素因数の和:330362362

約数の個数: 20

約数和(自身を含む): 143377256428

約数和(自身を除く): 74661889500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330362341, 660724682, 1321449364, 2642898728, 4294710433, 5285797456, 8589420866, 17178841732, 34357683464, 68715366928]

約数ペア:

[(1, 68715366928), (2, 34357683464), (4, 17178841732), (8, 8589420866), (13, 5285797456), (16, 4294710433), (26, 2642898728), (52, 1321449364), (104, 660724682), (208, 330362341)]