81519208

素因数分解:

$2^3\times {\mathrm{1627}}^1\times {\mathrm{6263}}^1$

素因数の和:7896

約数の個数: 16

約数和(自身を含む): 152966880

約数和(自身を除く): 71447672

約数列:

[1, 2, 4, 8, 1627, 3254, 6263, 6508, 12526, 13016, 25052, 50104, 10189901, 20379802, 40759604, 81519208]

約数ペア:

[(1, 81519208), (2, 40759604), (4, 20379802), (8, 10189901), (1627, 50104), (3254, 25052), (6263, 13016), (6508, 12526)]