28452907

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 5001173

約数列:

[1, 7, 47, 197, 329, 439, 1379, 3073, 9259, 20633, 64813, 86483, 144431, 605381, 4064701, 28452907]

約数ペア:

[(1, 28452907), (7, 4064701), (47, 605381), (197, 144431), (329, 86483), (439, 64813), (1379, 20633), (3073, 9259)]