78487211

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 87360000

約数和(自身を除く): 8872789

約数列:

[1, 11, 79, 181, 499, 869, 1991, 5489, 14299, 39421, 90319, 157289, 433631, 993509, 7135201, 78487211]

約数ペア:

[(1, 78487211), (11, 7135201), (79, 993509), (181, 433631), (499, 157289), (869, 90319), (1991, 39421), (5489, 14299)]