9871895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{751}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 12994560

約数和(自身を除く): 3122665

約数列:

[1, 5, 11, 55, 239, 751, 1195, 2629, 3755, 8261, 13145, 41305, 179489, 897445, 1974379, 9871895]

約数ペア:

[(1, 9871895), (5, 1974379), (11, 897445), (55, 179489), (239, 41305), (751, 13145), (1195, 8261), (2629, 3755)]