28854925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 39274272

約数和(自身を除く): 10419347

約数列:

[1, 5, 11, 25, 55, 275, 317, 331, 1585, 1655, 3487, 3641, 7925, 8275, 17435, 18205, 87175, 91025, 104927, 524635, 1154197, 2623175, 5770985, 28854925]

約数ペア:

[(1, 28854925), (5, 5770985), (11, 2623175), (25, 1154197), (55, 524635), (275, 104927), (317, 91025), (331, 87175), (1585, 18205), (1655, 17435), (3487, 8275), (3641, 7925)]