898428505

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{5039}}^1$

素因数の和:5281

約数の個数: 24

約数和(自身を含む): 1173191040

約数和(自身を除く): 274762535

約数列:

[1, 5, 13, 65, 169, 211, 845, 1055, 2743, 5039, 13715, 25195, 35659, 65507, 178295, 327535, 851591, 1063229, 4257955, 5316145, 13821977, 69109885, 179685701, 898428505]

約数ペア:

[(1, 898428505), (5, 179685701), (13, 69109885), (65, 13821977), (169, 5316145), (211, 4257955), (845, 1063229), (1055, 851591), (2743, 327535), (5039, 178295), (13715, 65507), (25195, 35659)]