199373405

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2551}}^1$

素因数の和:2610

約数の個数: 48

約数和(自身を含む): 314202240

約数和(自身を除く): 114828835

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 203, 245, 319, 385, 539, 1015, 1421, 1595, 2233, 2551, 2695, 7105, 11165, 12755, 15631, 17857, 28061, 73979, 78155, 89285, 124999, 140305, 196427, 369895, 517853, 624995, 813769, 982135, 1374989, 2589265, 3624971, 4068845, 5696383, 6874945, 18124855, 28481915, 39874681, 199373405]

約数ペア:

[(1, 199373405), (5, 39874681), (7, 28481915), (11, 18124855), (29, 6874945), (35, 5696383), (49, 4068845), (55, 3624971), (77, 2589265), (145, 1374989), (203, 982135), (245, 813769), (319, 624995), (385, 517853), (539, 369895), (1015, 196427), (1421, 140305), (1595, 124999), (2233, 89285), (2551, 78155), (2695, 73979), (7105, 28061), (11165, 17857), (12755, 15631)]