28678412

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{15287}}^1$

素因数の和:15365

約数の個数: 24

約数和(自身を含む): 58216704

約数和(自身を除く): 29538292

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 15287, 30574, 61148, 107009, 214018, 428036, 1024229, 2048458, 4096916, 7169603, 14339206, 28678412]

約数ペア:

[(1, 28678412), (2, 14339206), (4, 7169603), (7, 4096916), (14, 2048458), (28, 1024229), (67, 428036), (134, 214018), (268, 107009), (469, 61148), (938, 30574), (1876, 15287)]