71280041

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 83120640

約数和(自身を除く): 11840599

約数列:

[1, 7, 79, 157, 553, 821, 1099, 5747, 12403, 64859, 86821, 128897, 454013, 902279, 10182863, 71280041]

約数ペア:

[(1, 71280041), (7, 10182863), (79, 902279), (157, 454013), (553, 128897), (821, 86821), (1099, 64859), (5747, 12403)]