12811225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3853}}^1$

素因数の和:3889

約数の個数: 24

約数和(自身を含む): 19115840

約数和(自身を除く): 6304615

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 3853, 19265, 26971, 73207, 96325, 134855, 366035, 512449, 674275, 1830175, 2562245, 12811225]

約数ペア:

[(1, 12811225), (5, 2562245), (7, 1830175), (19, 674275), (25, 512449), (35, 366035), (95, 134855), (133, 96325), (175, 73207), (475, 26971), (665, 19265), (3325, 3853)]