2990820007

素因数分解:

$7^2\times {\mathrm{163}}^1\times {\mathrm{374461}}^1$

素因数の和:374638

約数の個数: 12

約数和(自身を含む): 3500470776

約数和(自身を除く): 509650769

約数列:

[1, 7, 49, 163, 1141, 7987, 374461, 2621227, 18348589, 61037143, 427260001, 2990820007]

約数ペア:

[(1, 2990820007), (7, 427260001), (49, 61037143), (163, 18348589), (1141, 2621227), (7987, 374461)]