81393734

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{4457}}^1$

素因数の和:4879

約数の個数: 16

約数和(自身を含む): 127748448

約数和(自身を除く): 46354714

約数列:

[1, 2, 23, 46, 397, 794, 4457, 8914, 9131, 18262, 102511, 205022, 1769429, 3538858, 40696867, 81393734]

約数ペア:

[(1, 81393734), (2, 40696867), (23, 3538858), (46, 1769429), (397, 205022), (794, 102511), (4457, 18262), (8914, 9131)]