138331288

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{1019}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 264384000

約数和(自身を除く): 126052712

約数列:

[1, 2, 4, 8, 71, 142, 239, 284, 478, 568, 956, 1019, 1912, 2038, 4076, 8152, 16969, 33938, 67876, 72349, 135752, 144698, 243541, 289396, 487082, 578792, 974164, 1948328, 17291411, 34582822, 69165644, 138331288]

約数ペア:

[(1, 138331288), (2, 69165644), (4, 34582822), (8, 17291411), (71, 1948328), (142, 974164), (239, 578792), (284, 487082), (478, 289396), (568, 243541), (956, 144698), (1019, 135752), (1912, 72349), (2038, 67876), (4076, 33938), (8152, 16969)]