1800004222

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{81001}}^1$

素因数の和:81315

約数の個数: 16

約数和(自身を含む): 2776100544

約数和(自身を除く): 976096322

約数列:

[1, 2, 41, 82, 271, 542, 11111, 22222, 81001, 162002, 3321041, 6642082, 21951271, 43902542, 900002111, 1800004222]

約数ペア:

[(1, 1800004222), (2, 900002111), (41, 43902542), (82, 21951271), (271, 6642082), (542, 3321041), (11111, 162002), (22222, 81001)]