128214268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{352237}}^1$

素因数の和:352261

約数の個数: 24

約数和(自身を含む): 276154592

約数和(自身を除く): 147940324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 352237, 704474, 1408948, 2465659, 4579081, 4931318, 9158162, 9862636, 18316324, 32053567, 64107134, 128214268]

約数ペア:

[(1, 128214268), (2, 64107134), (4, 32053567), (7, 18316324), (13, 9862636), (14, 9158162), (26, 4931318), (28, 4579081), (52, 2465659), (91, 1408948), (182, 704474), (364, 352237)]