2115128521

素因数分解:

${\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 2365319880

約数和(自身を除く): 250191359

約数列:

[1, 11, 89, 121, 197, 979, 997, 2167, 10769, 10967, 17533, 23837, 88733, 120637, 192863, 196409, 976063, 2121493, 2160499, 10736693, 17480401, 23765489, 192284411, 2115128521]

約数ペア:

[(1, 2115128521), (11, 192284411), (89, 23765489), (121, 17480401), (197, 10736693), (979, 2160499), (997, 2121493), (2167, 976063), (10769, 196409), (10967, 192863), (17533, 120637), (23837, 88733)]