128421305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{2579}}^1$

素因数の和:3040

約数の個数: 16

約数和(自身を含む): 161239680

約数和(自身を除く): 32818375

約数列:

[1, 5, 23, 115, 433, 2165, 2579, 9959, 12895, 49795, 59317, 296585, 1116707, 5583535, 25684261, 128421305]

約数ペア:

[(1, 128421305), (5, 25684261), (23, 5583535), (115, 1116707), (433, 296585), (2165, 59317), (2579, 49795), (9959, 12895)]