71990618

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{165877}}^1$

素因数の和:165917

約数の個数: 16

約数和(自身を含む): 127394304

約数和(自身を除く): 55403686

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 165877, 331754, 1161139, 2322278, 5142187, 10284374, 35995309, 71990618]

約数ペア:

[(1, 71990618), (2, 35995309), (7, 10284374), (14, 5142187), (31, 2322278), (62, 1161139), (217, 331754), (434, 165877)]