2008168425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{469747}}^1$

素因数の和:469782

約数の個数: 36

約数和(自身を含む): 3786168880

約数和(自身を除く): 1778000455

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 469747, 1409241, 2348735, 4227723, 7046205, 8925193, 11743675, 21138615, 26775579, 35231025, 44625965, 80326737, 105693075, 133877895, 223129825, 401633685, 669389475, 2008168425]

約数ペア:

[(1, 2008168425), (3, 669389475), (5, 401633685), (9, 223129825), (15, 133877895), (19, 105693075), (25, 80326737), (45, 44625965), (57, 35231025), (75, 26775579), (95, 21138615), (171, 11743675), (225, 8925193), (285, 7046205), (475, 4227723), (855, 2348735), (1425, 1409241), (4275, 469747)]