128680356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1531909}}^1$

素因数の和:1531923

約数の個数: 24

約数和(自身を含む): 343147840

約数和(自身を除く): 214467484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1531909, 3063818, 4595727, 6127636, 9191454, 10723363, 18382908, 21446726, 32170089, 42893452, 64340178, 128680356]

約数ペア:

[(1, 128680356), (2, 64340178), (3, 42893452), (4, 32170089), (6, 21446726), (7, 18382908), (12, 10723363), (14, 9191454), (21, 6127636), (28, 4595727), (42, 3063818), (84, 1531909)]