80721058

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{8971}}^1$

素因数の和:9393

約数の個数: 16

約数和(自身を含む): 132426720

約数和(自身を除く): 51705662

約数列:

[1, 2, 11, 22, 409, 818, 4499, 8971, 8998, 17942, 98681, 197362, 3669139, 7338278, 40360529, 80721058]

約数ペア:

[(1, 80721058), (2, 40360529), (11, 7338278), (22, 3669139), (409, 197362), (818, 98681), (4499, 17942), (8971, 8998)]