28717955

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{13907}}^1$

素因数の和:13978

約数の個数: 16

約数和(自身を含む): 40055040

約数和(自身を除く): 11337085

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 13907, 69535, 97349, 486745, 820513, 4102565, 5743591, 28717955]

約数ペア:

[(1, 28717955), (5, 5743591), (7, 4102565), (35, 820513), (59, 486745), (295, 97349), (413, 69535), (2065, 13907)]