8409475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 11302848

約数和(自身を除く): 2893373

約数列:

[1, 5, 17, 25, 47, 85, 235, 421, 425, 799, 1175, 2105, 3995, 7157, 10525, 19787, 19975, 35785, 98935, 178925, 336379, 494675, 1681895, 8409475]

約数ペア:

[(1, 8409475), (5, 1681895), (17, 494675), (25, 336379), (47, 178925), (85, 98935), (235, 35785), (421, 19975), (425, 19787), (799, 10525), (1175, 7157), (2105, 3995)]