12865855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6581}}^1$

素因数の和:6626

約数の個数: 16

約数和(自身を含む): 17060544

約数和(自身を除く): 4194689

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 6581, 32905, 111877, 151363, 559385, 756815, 2573171, 12865855]

約数ペア:

[(1, 12865855), (5, 2573171), (17, 756815), (23, 559385), (85, 151363), (115, 111877), (391, 32905), (1955, 6581)]