13889425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2971}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 19900512

約数和(自身を除く): 6011087

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 2971, 4675, 14855, 32681, 50507, 74275, 163405, 252535, 555577, 817025, 1262675, 2777885, 13889425]

約数ペア:

[(1, 13889425), (5, 2777885), (11, 1262675), (17, 817025), (25, 555577), (55, 252535), (85, 163405), (187, 74275), (275, 50507), (425, 32681), (935, 14855), (2971, 4675)]