66888025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1907}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 88012224

約数和(自身を除く): 21124199

約数列:

[1, 5, 23, 25, 61, 115, 305, 575, 1403, 1525, 1907, 7015, 9535, 35075, 43861, 47675, 116327, 219305, 581635, 1096525, 2675521, 2908175, 13377605, 66888025]

約数ペア:

[(1, 66888025), (5, 13377605), (23, 2908175), (25, 2675521), (61, 1096525), (115, 581635), (305, 219305), (575, 116327), (1403, 47675), (1525, 43861), (1907, 35075), (7015, 9535)]