8840221

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 18

約数和(自身を含む): 10224942

約数和(自身を除く): 1384721

約数列:

[1, 13, 17, 169, 181, 221, 289, 2353, 2873, 3077, 3757, 30589, 40001, 48841, 52309, 520013, 680017, 8840221]

約数ペア:

[(1, 8840221), (13, 680017), (17, 520013), (169, 52309), (181, 48841), (221, 40001), (289, 30589), (2353, 3757), (2873, 3077)]