81204044

素因数分解:

$2^2\times {\mathrm{4451}}^1\times {\mathrm{4561}}^1$

素因数の和:9016

約数の個数: 12

約数和(自身を含む): 142170168

約数和(自身を除く): 60966124

約数列:

[1, 2, 4, 4451, 4561, 8902, 9122, 17804, 18244, 20301011, 40602022, 81204044]

約数ペア:

[(1, 81204044), (2, 40602022), (4, 20301011), (4451, 18244), (4561, 17804), (8902, 9122)]