72904013

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{593}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 91958328

約数和(自身を除く): 19054315

約数列:

[1, 7, 13, 49, 91, 193, 593, 637, 1351, 2509, 4151, 7709, 9457, 17563, 29057, 53963, 114449, 122941, 377741, 801143, 1487837, 5608001, 10414859, 72904013]

約数ペア:

[(1, 72904013), (7, 10414859), (13, 5608001), (49, 1487837), (91, 801143), (193, 377741), (593, 122941), (637, 114449), (1351, 53963), (2509, 29057), (4151, 17563), (7709, 9457)]