1640672005

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{997369}}^1$

素因数の和:997428

約数の個数: 16

約数和(自身を含む): 2297940480

約数和(自身を除く): 657268475

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 997369, 4986845, 6981583, 34907915, 46876343, 234381715, 328134401, 1640672005]

約数ペア:

[(1, 1640672005), (5, 328134401), (7, 234381715), (35, 46876343), (47, 34907915), (235, 6981583), (329, 4986845), (1645, 997369)]