199174525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^2$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 275955552

約数和(自身を除く): 76781027

約数列:

[1, 5, 11, 25, 55, 71, 101, 275, 355, 505, 781, 1111, 1775, 2525, 3905, 5555, 7171, 10201, 19525, 27775, 35855, 51005, 78881, 112211, 179275, 255025, 394405, 561055, 724271, 1972025, 2805275, 3621355, 7966981, 18106775, 39834905, 199174525]

約数ペア:

[(1, 199174525), (5, 39834905), (11, 18106775), (25, 7966981), (55, 3621355), (71, 2805275), (101, 1972025), (275, 724271), (355, 561055), (505, 394405), (781, 255025), (1111, 179275), (1775, 112211), (2525, 78881), (3905, 51005), (5555, 35855), (7171, 27775), (10201, 19525)]