81159778

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{36007}}^1$

素因数の和:36046

約数の個数: 24

約数和(自身を含む): 147776832

約数和(自身を除く): 66617054

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 36007, 72014, 252049, 504098, 828161, 1656322, 1764343, 3528686, 5797127, 11594254, 40579889, 81159778]

約数ペア:

[(1, 81159778), (2, 40579889), (7, 11594254), (14, 5797127), (23, 3528686), (46, 1764343), (49, 1656322), (98, 828161), (161, 504098), (322, 252049), (1127, 72014), (2254, 36007)]