81939962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{4871}}^1$

素因数の和:5533

約数の個数: 16

約数和(自身を含む): 132596352

約数和(自身を除く): 50656390

約数列:

[1, 2, 13, 26, 647, 1294, 4871, 8411, 9742, 16822, 63323, 126646, 3151537, 6303074, 40969981, 81939962]

約数ペア:

[(1, 81939962), (2, 40969981), (13, 6303074), (26, 3151537), (647, 126646), (1294, 63323), (4871, 16822), (8411, 9742)]