291201239

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 361152000

約数和(自身を除く): 69950761

約数列:

[1, 7, 19, 53, 109, 133, 371, 379, 763, 1007, 2071, 2653, 5777, 7049, 7201, 14497, 20087, 40439, 41311, 50407, 109763, 140609, 289177, 381653, 768341, 784909, 2189483, 2671571, 5494363, 15326381, 41600177, 291201239]

約数ペア:

[(1, 291201239), (7, 41600177), (19, 15326381), (53, 5494363), (109, 2671571), (133, 2189483), (371, 784909), (379, 768341), (763, 381653), (1007, 289177), (2071, 140609), (2653, 109763), (5777, 50407), (7049, 41311), (7201, 40439), (14497, 20087)]