128214828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{508789}}^1$

素因数の和:508806

約数の個数: 36

約数和(自身を含む): 370399120

約数和(自身を除く): 242184292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 508789, 1017578, 1526367, 2035156, 3052734, 3561523, 4579101, 6105468, 7123046, 9158202, 10684569, 14246092, 18316404, 21369138, 32053707, 42738276, 64107414, 128214828]

約数ペア:

[(1, 128214828), (2, 64107414), (3, 42738276), (4, 32053707), (6, 21369138), (7, 18316404), (9, 14246092), (12, 10684569), (14, 9158202), (18, 7123046), (21, 6105468), (28, 4579101), (36, 3561523), (42, 3052734), (63, 2035156), (84, 1526367), (126, 1017578), (252, 508789)]