7242781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 9676800

約数和(自身を除く): 2434019

約数列:

[1, 7, 13, 19, 59, 71, 91, 133, 247, 413, 497, 767, 923, 1121, 1349, 1729, 4189, 5369, 6461, 7847, 9443, 14573, 17537, 29323, 54457, 79591, 102011, 122759, 381199, 557137, 1034683, 7242781]

約数ペア:

[(1, 7242781), (7, 1034683), (13, 557137), (19, 381199), (59, 122759), (71, 102011), (91, 79591), (133, 54457), (247, 29323), (413, 17537), (497, 14573), (767, 9443), (923, 7847), (1121, 6461), (1349, 5369), (1729, 4189)]