40459918

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1\times {\mathrm{571}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 61776000

約数和(自身を除く): 21316082

約数列:

[1, 2, 71, 142, 499, 571, 998, 1142, 35429, 40541, 70858, 81082, 284929, 569858, 20229959, 40459918]

約数ペア:

[(1, 40459918), (2, 20229959), (71, 569858), (142, 284929), (499, 81082), (571, 70858), (998, 40541), (1142, 35429)]