28705565

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{13901}}^1$

素因数の和:13972

約数の個数: 16

約数和(自身を含む): 40037760

約数和(自身を除く): 11332195

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 13901, 69505, 97307, 486535, 820159, 4100795, 5741113, 28705565]

約数ペア:

[(1, 28705565), (5, 5741113), (7, 4100795), (35, 820159), (59, 486535), (295, 97307), (413, 69505), (2065, 13901)]