81964084

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{499781}}^1$

素因数の和:499826

約数の個数: 12

約数和(自身を含む): 146935908

約数和(自身を除く): 64971824

約数列:

[1, 2, 4, 41, 82, 164, 499781, 999562, 1999124, 20491021, 40982042, 81964084]

約数ペア:

[(1, 81964084), (2, 40982042), (4, 20491021), (41, 1999124), (82, 999562), (164, 499781)]