258241225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{85369}}^1$

素因数の和:85401

約数の個数: 18

約数和(自身を含む): 351980510

約数和(自身を除く): 93739285

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 85369, 426845, 939059, 2134225, 4695295, 10329649, 23476475, 51648245, 258241225]

約数ペア:

[(1, 258241225), (5, 51648245), (11, 23476475), (25, 10329649), (55, 4695295), (121, 2134225), (275, 939059), (605, 426845), (3025, 85369)]