12665975

素因数分解:

$5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 18103008

約数和(自身を除く): 5437033

約数列:

[1, 5, 7, 25, 35, 157, 175, 461, 785, 1099, 2305, 3227, 3925, 5495, 11525, 16135, 27475, 72377, 80675, 361885, 506639, 1809425, 2533195, 12665975]

約数ペア:

[(1, 12665975), (5, 2533195), (7, 1809425), (25, 506639), (35, 361885), (157, 80675), (175, 72377), (461, 27475), (785, 16135), (1099, 11525), (2305, 5495), (3227, 3925)]