85721390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{295591}}^1$

素因数の和:295627

約数の個数: 16

約数和(自身を含む): 159619680

約数和(自身を除く): 73898290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 295591, 591182, 1477955, 2955910, 8572139, 17144278, 42860695, 85721390]

約数ペア:

[(1, 85721390), (2, 42860695), (5, 17144278), (10, 8572139), (29, 2955910), (58, 1477955), (145, 591182), (290, 295591)]