81261262

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1\times {\mathrm{2237}}^1$

素因数の和:2723

約数の個数: 16

約数和(自身を含む): 125202672

約数和(自身を除く): 43941410

約数列:

[1, 2, 41, 82, 443, 886, 2237, 4474, 18163, 36326, 91717, 183434, 990991, 1981982, 40630631, 81261262]

約数ペア:

[(1, 81261262), (2, 40630631), (41, 1981982), (82, 990991), (443, 183434), (886, 91717), (2237, 36326), (4474, 18163)]