28991805122

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71408387}}^1$

素因数の和:71408425

約数の個数: 16

約数和(自身を含む): 51414039360

約数和(自身を除く): 22422234238

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 71408387, 142816774, 499858709, 999717418, 2070843223, 4141686446, 14495902561, 28991805122]

約数ペア:

[(1, 28991805122), (2, 14495902561), (7, 4141686446), (14, 2070843223), (29, 999717418), (58, 499858709), (203, 142816774), (406, 71408387)]