28477975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1875

約数の個数: 24

約数和(自身を含む): 38421648

約数和(自身を除く): 9943673

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 1811, 3145, 9055, 15725, 30787, 45275, 67007, 153935, 335035, 769675, 1139119, 1675175, 5695595, 28477975]

約数ペア:

[(1, 28477975), (5, 5695595), (17, 1675175), (25, 1139119), (37, 769675), (85, 335035), (185, 153935), (425, 67007), (629, 45275), (925, 30787), (1811, 15725), (3145, 9055)]