81031174

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{27431}}^1$

素因数の和:27651

約数の個数: 16

約数和(自身を含む): 139574016

約数和(自身を除く): 58542842

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 27431, 54862, 192017, 384034, 5787941, 11575882, 40515587, 81031174]

約数ペア:

[(1, 81031174), (2, 40515587), (7, 11575882), (14, 5787941), (211, 384034), (422, 192017), (1477, 54862), (2954, 27431)]