199807375

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{5531}}^1$

素因数の和:5580

約数の個数: 24

約数和(自身を含む): 264938544

約数和(自身を除く): 65131169

約数列:

[1, 5, 17, 25, 85, 125, 289, 425, 1445, 2125, 5531, 7225, 27655, 36125, 94027, 138275, 470135, 691375, 1598459, 2350675, 7992295, 11753375, 39961475, 199807375]

約数ペア:

[(1, 199807375), (5, 39961475), (17, 11753375), (25, 7992295), (85, 2350675), (125, 1598459), (289, 691375), (425, 470135), (1445, 138275), (2125, 94027), (5531, 36125), (7225, 27655)]