1616425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 2187360

約数和(自身を除く): 570935

約数列:

[1, 5, 19, 25, 41, 83, 95, 205, 415, 475, 779, 1025, 1577, 2075, 3403, 3895, 7885, 17015, 19475, 39425, 64657, 85075, 323285, 1616425]

約数ペア:

[(1, 1616425), (5, 323285), (19, 85075), (25, 64657), (41, 39425), (83, 19475), (95, 17015), (205, 7885), (415, 3895), (475, 3403), (779, 2075), (1025, 1577)]