82491004

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{71359}}^1$

素因数の和:71397

約数の個数: 18

約数和(自身を含む): 153352640

約数和(自身を除く): 70861636

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 71359, 142718, 285436, 1213103, 2426206, 4852412, 20622751, 41245502, 82491004]

約数ペア:

[(1, 82491004), (2, 41245502), (4, 20622751), (17, 4852412), (34, 2426206), (68, 1213103), (289, 285436), (578, 142718), (1156, 71359)]