221536447

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1103}}^1$

素因数の和:1195

約数の個数: 24

約数和(自身を含む): 263105280

約数和(自身を除く): 41568833

約数列:

[1, 11, 19, 31, 209, 341, 589, 961, 1103, 6479, 10571, 12133, 18259, 20957, 34193, 200849, 230527, 376123, 649667, 1059983, 7146337, 11659813, 20139677, 221536447]

約数ペア:

[(1, 221536447), (11, 20139677), (19, 11659813), (31, 7146337), (209, 1059983), (341, 649667), (589, 376123), (961, 230527), (1103, 200849), (6479, 34193), (10571, 20957), (12133, 18259)]