28948885

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26681}}^1$

素因数の和:26724

約数の個数: 16

約数和(自身を含む): 40983552

約数和(自身を除く): 12034667

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26681, 133405, 186767, 827111, 933835, 4135555, 5789777, 28948885]

約数ペア:

[(1, 28948885), (5, 5789777), (7, 4135555), (31, 933835), (35, 827111), (155, 186767), (217, 133405), (1085, 26681)]