28490075

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 36502128

約数和(自身を除く): 8012053

約数列:

[1, 5, 25, 67, 73, 233, 335, 365, 1165, 1675, 1825, 4891, 5825, 15611, 17009, 24455, 78055, 85045, 122275, 390275, 425225, 1139603, 5698015, 28490075]

約数ペア:

[(1, 28490075), (5, 5698015), (25, 1139603), (67, 425225), (73, 390275), (233, 122275), (335, 85045), (365, 78055), (1165, 24455), (1675, 17009), (1825, 15611), (4891, 5825)]