80991722

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199487}}^1$

素因数の和:199525

約数の個数: 16

約数和(自身を含む): 143631360

約数和(自身を除く): 62639638

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 199487, 398974, 1396409, 2792818, 5785123, 11570246, 40495861, 80991722]

約数ペア:

[(1, 80991722), (2, 40495861), (7, 11570246), (14, 5785123), (29, 2792818), (58, 1396409), (203, 398974), (406, 199487)]