28485826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{5393}}^1$

素因数の和:5553

約数の個数: 16

約数和(自身を含む): 45309600

約数和(自身を除く): 16823774

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 5393, 10786, 102467, 204934, 749627, 1499254, 14242913, 28485826]

約数ペア:

[(1, 28485826), (2, 14242913), (19, 1499254), (38, 749627), (139, 204934), (278, 102467), (2641, 10786), (5282, 5393)]