28091628

素因数分解:

$2^2\times 3^2\times {\mathrm{780323}}^1$

素因数の和:780333

約数の個数: 18

約数和(自身を含む): 71009484

約数和(自身を除く): 42917856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 780323, 1560646, 2340969, 3121292, 4681938, 7022907, 9363876, 14045814, 28091628]

約数ペア:

[(1, 28091628), (2, 14045814), (3, 9363876), (4, 7022907), (6, 4681938), (9, 3121292), (12, 2340969), (18, 1560646), (36, 780323)]