28478906

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{1823}}^1$

素因数の和:2005

約数の個数: 16

約数和(自身を含む): 43732224

約数和(自身を除く): 15253318

約数列:

[1, 2, 73, 107, 146, 214, 1823, 3646, 7811, 15622, 133079, 195061, 266158, 390122, 14239453, 28478906]

約数ペア:

[(1, 28478906), (2, 14239453), (73, 390122), (107, 266158), (146, 195061), (214, 133079), (1823, 15622), (3646, 7811)]