2205539

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 2845440

約数和(自身を除く): 639901

約数列:

[1, 7, 19, 23, 49, 103, 133, 161, 437, 721, 931, 1127, 1957, 2369, 3059, 5047, 13699, 16583, 21413, 45011, 95893, 116081, 315077, 2205539]

約数ペア:

[(1, 2205539), (7, 315077), (19, 116081), (23, 95893), (49, 45011), (103, 21413), (133, 16583), (161, 13699), (437, 5047), (721, 3059), (931, 2369), (1127, 1957)]