80639802

素因数分解:

$2^1\times 3^2\times {\mathrm{4479989}}^1$

素因数の和:4479997

約数の個数: 12

約数和(自身を含む): 174719610

約数和(自身を除く): 94079808

約数列:

[1, 2, 3, 6, 9, 18, 4479989, 8959978, 13439967, 26879934, 40319901, 80639802]

約数ペア:

[(1, 80639802), (2, 40319901), (3, 26879934), (6, 13439967), (9, 8959978), (18, 4479989)]