9997895

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 13167360

約数和(自身を除く): 3169465

約数列:

[1, 5, 19, 29, 95, 145, 191, 361, 551, 955, 1805, 2755, 3629, 5539, 10469, 18145, 27695, 52345, 68951, 105241, 344755, 526205, 1999579, 9997895]

約数ペア:

[(1, 9997895), (5, 1999579), (19, 526205), (29, 344755), (95, 105241), (145, 68951), (191, 52345), (361, 27695), (551, 18145), (955, 10469), (1805, 5539), (2755, 3629)]