281072519

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{4027}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 353819520

約数和(自身を除く): 72747001

約数列:

[1, 7, 13, 59, 91, 169, 413, 767, 1183, 4027, 5369, 9971, 28189, 52351, 69797, 237593, 366457, 680563, 1663151, 3088709, 4763941, 21620963, 40153217, 281072519]

約数ペア:

[(1, 281072519), (7, 40153217), (13, 21620963), (59, 4763941), (91, 3088709), (169, 1663151), (413, 680563), (767, 366457), (1183, 237593), (4027, 69797), (5369, 52351), (9971, 28189)]