71380405912

素因数分解:

$2^3\times {\mathrm{2161}}^1\times {\mathrm{4128899}}^1$

素因数の和:4131066

約数の個数: 16

約数和(自身を含む): 133900227000

約数和(自身を除く): 62519821088

約数列:

[1, 2, 4, 8, 2161, 4322, 8644, 17288, 4128899, 8257798, 16515596, 33031192, 8922550739, 17845101478, 35690202956, 71380405912]

約数ペア:

[(1, 71380405912), (2, 35690202956), (4, 17845101478), (8, 8922550739), (2161, 33031192), (4322, 16515596), (8644, 8257798), (17288, 4128899)]