13799225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 19842480

約数和(自身を除く): 6043255

約数列:

[1, 5, 11, 19, 25, 55, 95, 139, 209, 275, 361, 475, 695, 1045, 1529, 1805, 2641, 3475, 3971, 5225, 7645, 9025, 13205, 19855, 29051, 38225, 50179, 66025, 99275, 145255, 250895, 551969, 726275, 1254475, 2759845, 13799225]

約数ペア:

[(1, 13799225), (5, 2759845), (11, 1254475), (19, 726275), (25, 551969), (55, 250895), (95, 145255), (139, 99275), (209, 66025), (275, 50179), (361, 38225), (475, 29051), (695, 19855), (1045, 13205), (1529, 9025), (1805, 7645), (2641, 5225), (3475, 3971)]