28771561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{751}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 35542528

約数和(自身を除く): 6770967

約数列:

[1, 7, 13, 91, 421, 751, 2947, 5257, 5473, 9763, 38311, 68341, 316171, 2213197, 4110223, 28771561]

約数ペア:

[(1, 28771561), (7, 4110223), (13, 2213197), (91, 316171), (421, 68341), (751, 38311), (2947, 9763), (5257, 5473)]