81227830

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{111271}}^1$

素因数の和:111351

約数の個数: 16

約数和(自身を含む): 148214304

約数和(自身を除く): 66986474

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 111271, 222542, 556355, 1112710, 8122783, 16245566, 40613915, 81227830]

約数ペア:

[(1, 81227830), (2, 40613915), (5, 16245566), (10, 8122783), (73, 1112710), (146, 556355), (365, 222542), (730, 111271)]