1380491375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{649643}}^1$

素因数の和:649675

約数の個数: 16

約数和(自身を含む): 1824200352

約数和(自身を除く): 443708977

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 649643, 3248215, 11043931, 16241075, 55219655, 81205375, 276098275, 1380491375]

約数ペア:

[(1, 1380491375), (5, 276098275), (17, 81205375), (25, 55219655), (85, 16241075), (125, 11043931), (425, 3248215), (2125, 649643)]