2991231815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{15907}}^1$

素因数の和:16199

約数の個数: 32

約数和(自身を含む): 4233309696

約数和(自身を除く): 1242077881

約数列:

[1, 5, 11, 13, 55, 65, 143, 263, 715, 1315, 2893, 3419, 14465, 15907, 17095, 37609, 79535, 174977, 188045, 206791, 874885, 1033955, 2274701, 4183541, 11373505, 20917705, 46018951, 54386033, 230094755, 271930165, 598246363, 2991231815]

約数ペア:

[(1, 2991231815), (5, 598246363), (11, 271930165), (13, 230094755), (55, 54386033), (65, 46018951), (143, 20917705), (263, 11373505), (715, 4183541), (1315, 2274701), (2893, 1033955), (3419, 874885), (14465, 206791), (15907, 188045), (17095, 174977), (37609, 79535)]