89123881

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 112911680

約数和(自身を除く): 23787799

約数列:

[1, 7, 11, 77, 121, 139, 757, 847, 973, 1529, 5299, 8327, 10703, 16819, 58289, 91597, 105223, 117733, 641179, 736561, 1157453, 8102171, 12731983, 89123881]

約数ペア:

[(1, 89123881), (7, 12731983), (11, 8102171), (77, 1157453), (121, 736561), (139, 641179), (757, 117733), (847, 105223), (973, 91597), (1529, 58289), (5299, 16819), (8327, 10703)]