251282015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 337582080

約数和(自身を除く): 86300065

約数列:

[1, 5, 17, 23, 79, 85, 115, 391, 395, 1343, 1627, 1817, 1955, 6715, 8135, 9085, 27659, 30889, 37421, 128533, 138295, 154445, 187105, 636157, 642665, 2185061, 2956259, 3180785, 10925305, 14781295, 50256403, 251282015]

約数ペア:

[(1, 251282015), (5, 50256403), (17, 14781295), (23, 10925305), (79, 3180785), (85, 2956259), (115, 2185061), (391, 642665), (395, 636157), (1343, 187105), (1627, 154445), (1817, 138295), (1955, 128533), (6715, 37421), (8135, 30889), (9085, 27659)]