489814655

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{6691}}^1$

素因数の和:6740

約数の個数: 20

約数和(自身を含む): 646647960

約数和(自身を除く): 156833305

約数列:

[1, 5, 11, 55, 121, 605, 1331, 6655, 6691, 14641, 33455, 73205, 73601, 368005, 809611, 4048055, 8905721, 44528605, 97962931, 489814655]

約数ペア:

[(1, 489814655), (5, 97962931), (11, 44528605), (55, 8905721), (121, 4048055), (605, 809611), (1331, 368005), (6655, 73601), (6691, 73205), (14641, 33455)]