28980133

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10273}}^1$

素因数の和:10324

約数の個数: 16

約数和(自身を含む): 36822016

約数和(自身を除く): 7841883

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 10273, 71911, 133549, 318463, 934843, 2229241, 4140019, 28980133]

約数ペア:

[(1, 28980133), (7, 4140019), (13, 2229241), (31, 934843), (91, 318463), (217, 133549), (403, 71911), (2821, 10273)]