28678278

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{71339}}^1$

素因数の和:71411

約数の個数: 16

約数和(自身を含む): 58213440

約数和(自身を除く): 29535162

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 71339, 142678, 214017, 428034, 4779713, 9559426, 14339139, 28678278]

約数ペア:

[(1, 28678278), (2, 14339139), (3, 9559426), (6, 4779713), (67, 428034), (134, 214017), (201, 142678), (402, 71339)]