81357448

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{248041}}^1$

素因数の和:248088

約数の個数: 16

約数和(自身を含む): 156266460

約数和(自身を除く): 74909012

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 248041, 496082, 992164, 1984328, 10169681, 20339362, 40678724, 81357448]

約数ペア:

[(1, 81357448), (2, 40678724), (4, 20339362), (8, 10169681), (41, 1984328), (82, 992164), (164, 496082), (328, 248041)]