80666887

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{541}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 100096560

約数和(自身を除く): 19429673

約数列:

[1, 7, 17, 49, 119, 179, 541, 833, 1253, 3043, 3787, 8771, 9197, 21301, 26509, 64379, 96839, 149107, 450653, 677873, 1646263, 4745111, 11523841, 80666887]

約数ペア:

[(1, 80666887), (7, 11523841), (17, 4745111), (49, 1646263), (119, 677873), (179, 450653), (541, 149107), (833, 96839), (1253, 64379), (3043, 26509), (3787, 21301), (8771, 9197)]