81386032

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55897}}^1$

素因数の和:55925

約数の個数: 40

約数和(自身を含む): 194077856

約数和(自身を除く): 112691824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55897, 111794, 223588, 391279, 447176, 726661, 782558, 894352, 1453322, 1565116, 2906644, 3130232, 5086627, 5813288, 6260464, 10173254, 11626576, 20346508, 40693016, 81386032]

約数ペア:

[(1, 81386032), (2, 40693016), (4, 20346508), (7, 11626576), (8, 10173254), (13, 6260464), (14, 5813288), (16, 5086627), (26, 3130232), (28, 2906644), (52, 1565116), (56, 1453322), (91, 894352), (104, 782558), (112, 726661), (182, 447176), (208, 391279), (364, 223588), (728, 111794), (1456, 55897)]