12986225

素因数分解:

$5^2\times 7^2\times {\mathrm{10601}}^1$

素因数の和:10625

約数の個数: 18

約数和(自身を含む): 18733734

約数和(自身を除く): 5747509

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 10601, 53005, 74207, 265025, 371035, 519449, 1855175, 2597245, 12986225]

約数ペア:

[(1, 12986225), (5, 2597245), (7, 1855175), (25, 519449), (35, 371035), (49, 265025), (175, 74207), (245, 53005), (1225, 10601)]