2158205

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 3151872

約数和(自身を除く): 993667

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 383, 805, 1127, 1915, 2681, 5635, 8809, 13405, 18767, 44045, 61663, 93835, 308315, 431641, 2158205]

約数ペア:

[(1, 2158205), (5, 431641), (7, 308315), (23, 93835), (35, 61663), (49, 44045), (115, 18767), (161, 13405), (245, 8809), (383, 5635), (805, 2681), (1127, 1915)]