172985239

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2423}}^1$

素因数の和:2515

約数の個数: 24

約数和(自身を含む): 212226048

約数和(自身を除く): 39240809

約数列:

[1, 7, 31, 47, 49, 217, 329, 1457, 1519, 2303, 2423, 10199, 16961, 71393, 75113, 113881, 118727, 525791, 797167, 3530311, 3680537, 5580169, 24712177, 172985239]

約数ペア:

[(1, 172985239), (7, 24712177), (31, 5580169), (47, 3680537), (49, 3530311), (217, 797167), (329, 525791), (1457, 118727), (1519, 113881), (2303, 75113), (2423, 71393), (10199, 16961)]