281221424

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{145259}}^1$

素因数の和:145289

約数の個数: 30

約数和(自身を含む): 598906980

約数和(自身を除く): 317685556

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 145259, 290518, 581036, 1162072, 1597849, 2324144, 3195698, 6391396, 12782792, 17576339, 25565584, 35152678, 70305356, 140610712, 281221424]

約数ペア:

[(1, 281221424), (2, 140610712), (4, 70305356), (8, 35152678), (11, 25565584), (16, 17576339), (22, 12782792), (44, 6391396), (88, 3195698), (121, 2324144), (176, 1597849), (242, 1162072), (484, 581036), (968, 290518), (1936, 145259)]