81636248

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{248891}}^1$

素因数の和:248938

約数の個数: 16

約数和(自身を含む): 156801960

約数和(自身を除く): 75165712

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 248891, 497782, 995564, 1991128, 10204531, 20409062, 40818124, 81636248]

約数ペア:

[(1, 81636248), (2, 40818124), (4, 20409062), (8, 10204531), (41, 1991128), (82, 995564), (164, 497782), (328, 248891)]