128482255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2161}}^1$

素因数の和:2247

約数の個数: 32

約数和(自身を含む): 179324928

約数和(自身を除く): 50842673

約数列:

[1, 5, 11, 23, 47, 55, 115, 235, 253, 517, 1081, 1265, 2161, 2585, 5405, 10805, 11891, 23771, 49703, 59455, 101567, 118855, 248515, 507835, 546733, 1117237, 2336041, 2733665, 5586185, 11680205, 25696451, 128482255]

約数ペア:

[(1, 128482255), (5, 25696451), (11, 11680205), (23, 5586185), (47, 2733665), (55, 2336041), (115, 1117237), (235, 546733), (253, 507835), (517, 248515), (1081, 118855), (1265, 101567), (2161, 59455), (2585, 49703), (5405, 23771), (10805, 11891)]