721463105

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{4751}}^1$

素因数の和:5029

約数の個数: 24

約数和(自身を含む): 955608192

約数和(自身を除く): 234145087

約数列:

[1, 5, 11, 55, 121, 251, 605, 1255, 2761, 4751, 13805, 23755, 30371, 52261, 151855, 261305, 574871, 1192501, 2874355, 5962505, 13117511, 65587555, 144292621, 721463105]

約数ペア:

[(1, 721463105), (5, 144292621), (11, 65587555), (55, 13117511), (121, 5962505), (251, 2874355), (605, 1192501), (1255, 574871), (2761, 261305), (4751, 151855), (13805, 52261), (23755, 30371)]