1390473215

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{17123}}^1$

素因数の和:17386

約数の個数: 16

約数和(自身を含む): 1695276000

約数和(自身を除く): 304802785

約数列:

[1, 5, 109, 149, 545, 745, 16241, 17123, 81205, 85615, 1866407, 2551327, 9332035, 12756635, 278094643, 1390473215]

約数ペア:

[(1, 1390473215), (5, 278094643), (109, 12756635), (149, 9332035), (545, 2551327), (745, 1866407), (16241, 85615), (17123, 81205)]