11971025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 16391808

約数和(自身を除く): 4420783

約数列:

[1, 5, 11, 25, 55, 101, 275, 431, 505, 1111, 2155, 2525, 4741, 5555, 10775, 23705, 27775, 43531, 118525, 217655, 478841, 1088275, 2394205, 11971025]

約数ペア:

[(1, 11971025), (5, 2394205), (11, 1088275), (25, 478841), (55, 217655), (101, 118525), (275, 43531), (431, 27775), (505, 23705), (1111, 10775), (2155, 5555), (2525, 4741)]