28174505

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2713}}^1$

素因数の和:2816

約数の個数: 16

約数和(自身を含む): 35433984

約数和(自身を除く): 7259479

約数列:

[1, 5, 31, 67, 155, 335, 2077, 2713, 10385, 13565, 84103, 181771, 420515, 908855, 5634901, 28174505]

約数ペア:

[(1, 28174505), (5, 5634901), (31, 908855), (67, 420515), (155, 181771), (335, 84103), (2077, 13565), (2713, 10385)]