28156754

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{2389}}^1$

素因数の和:2545

約数の個数: 16

約数和(自身を含む): 43364160

約数和(自身を除く): 15207406

約数列:

[1, 2, 71, 83, 142, 166, 2389, 4778, 5893, 11786, 169619, 198287, 339238, 396574, 14078377, 28156754]

約数ペア:

[(1, 28156754), (2, 14078377), (71, 396574), (83, 339238), (142, 198287), (166, 169619), (2389, 11786), (4778, 5893)]