13686475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 18690768

約数和(自身を除く): 5004293

約数列:

[1, 5, 11, 25, 55, 157, 275, 317, 785, 1585, 1727, 3487, 3925, 7925, 8635, 17435, 43175, 49769, 87175, 248845, 547459, 1244225, 2737295, 13686475]

約数ペア:

[(1, 13686475), (5, 2737295), (11, 1244225), (25, 547459), (55, 248845), (157, 87175), (275, 49769), (317, 43175), (785, 17435), (1585, 8635), (1727, 7925), (3487, 3925)]