128628

素因数分解:

$2^2\times 3^4\times {\mathrm{397}}^1$

素因数の和:413

約数の個数: 30

約数和(自身を含む): 337106

約数和(自身を除く): 208478

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 397, 794, 1191, 1588, 2382, 3573, 4764, 7146, 10719, 14292, 21438, 32157, 42876, 64314, 128628]

約数ペア:

[(1, 128628), (2, 64314), (3, 42876), (4, 32157), (6, 21438), (9, 14292), (12, 10719), (18, 7146), (27, 4764), (36, 3573), (54, 2382), (81, 1588), (108, 1191), (162, 794), (324, 397)]