1278449215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{34261}}^1$

素因数の和:34722

約数の個数: 16

約数和(自身を含む): 1628130240

約数和(自身を除く): 349681025

約数列:

[1, 5, 17, 85, 439, 2195, 7463, 34261, 37315, 171305, 582437, 2912185, 15040579, 75202895, 255689843, 1278449215]

約数ペア:

[(1, 1278449215), (5, 255689843), (17, 75202895), (85, 15040579), (439, 2912185), (2195, 582437), (7463, 171305), (34261, 37315)]