28221565

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1931}}^1$

素因数の和:2052

約数の個数: 16

約数和(自身を含む): 35239680

約数和(自身を除く): 7018115

約数列:

[1, 5, 37, 79, 185, 395, 1931, 2923, 9655, 14615, 71447, 152549, 357235, 762745, 5644313, 28221565]

約数ペア:

[(1, 28221565), (5, 5644313), (37, 762745), (79, 357235), (185, 152549), (395, 71447), (1931, 14615), (2923, 9655)]