12187861

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 15856128

約数和(自身を除く): 3668267

約数列:

[1, 7, 17, 23, 61, 73, 119, 161, 391, 427, 511, 1037, 1241, 1403, 1679, 2737, 4453, 7259, 8687, 9821, 11753, 23851, 28543, 31171, 75701, 102419, 166957, 199801, 529907, 716933, 1741123, 12187861]

約数ペア:

[(1, 12187861), (7, 1741123), (17, 716933), (23, 529907), (61, 199801), (73, 166957), (119, 102419), (161, 75701), (391, 31171), (427, 28543), (511, 23851), (1037, 11753), (1241, 9821), (1403, 8687), (1679, 7259), (2737, 4453)]