2890189729

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1\times {\mathrm{691}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 3504420864

約数和(自身を除く): 614231135

約数列:

[1, 7, 23, 83, 161, 313, 581, 691, 1909, 2191, 4837, 7199, 13363, 15893, 25979, 50393, 57353, 111251, 181853, 216283, 401471, 597517, 1319119, 1513981, 4182619, 4974509, 9233833, 17951489, 34821563, 125660423, 412884247, 2890189729]

約数ペア:

[(1, 2890189729), (7, 412884247), (23, 125660423), (83, 34821563), (161, 17951489), (313, 9233833), (581, 4974509), (691, 4182619), (1909, 1513981), (2191, 1319119), (4837, 597517), (7199, 401471), (13363, 216283), (15893, 181853), (25979, 111251), (50393, 57353)]