261155628

素因数分解:

$2^2\times 3^2\times {\mathrm{7254323}}^1$

素因数の和:7254333

約数の個数: 18

約数和(自身を含む): 660143484

約数和(自身を除く): 398987856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7254323, 14508646, 21762969, 29017292, 43525938, 65288907, 87051876, 130577814, 261155628]

約数ペア:

[(1, 261155628), (2, 130577814), (3, 87051876), (4, 65288907), (6, 43525938), (9, 29017292), (12, 21762969), (18, 14508646), (36, 7254323)]