81215332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{4603}}^1$

素因数の和:5019

約数の個数: 24

約数和(自身を含む): 155467872

約数和(自身を除く): 74252540

約数列:

[1, 2, 4, 11, 22, 44, 401, 802, 1604, 4411, 4603, 8822, 9206, 17644, 18412, 50633, 101266, 202532, 1845803, 3691606, 7383212, 20303833, 40607666, 81215332]

約数ペア:

[(1, 81215332), (2, 40607666), (4, 20303833), (11, 7383212), (22, 3691606), (44, 1845803), (401, 202532), (802, 101266), (1604, 50633), (4411, 18412), (4603, 17644), (8822, 9206)]