89873870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4447}}^1$

素因数の和:4544

約数の個数: 32

約数和(自身を含む): 169095168

約数和(自身を除く): 79221298

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 2021, 4042, 4447, 8894, 10105, 20210, 22235, 44470, 191221, 209009, 382442, 418018, 956105, 1045045, 1912210, 2090090, 8987387, 17974774, 44936935, 89873870]

約数ペア:

[(1, 89873870), (2, 44936935), (5, 17974774), (10, 8987387), (43, 2090090), (47, 1912210), (86, 1045045), (94, 956105), (215, 418018), (235, 382442), (430, 209009), (470, 191221), (2021, 44470), (4042, 22235), (4447, 20210), (8894, 10105)]