81900862

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{9697}}^1$

素因数の和:9843

約数の個数: 16

約数和(自身を含む): 127082592

約数和(自身を除く): 45181730

約数列:

[1, 2, 41, 82, 103, 206, 4223, 8446, 9697, 19394, 397577, 795154, 998791, 1997582, 40950431, 81900862]

約数ペア:

[(1, 81900862), (2, 40950431), (41, 1997582), (82, 998791), (103, 795154), (206, 397577), (4223, 19394), (8446, 9697)]