1681654834

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1\times {\mathrm{20681}}^1$

素因数の和:21165

約数の個数: 16

約数和(自身を含む): 2552572440

約数和(自身を除く): 870917606

約数列:

[1, 2, 109, 218, 373, 746, 20681, 40657, 41362, 81314, 2254229, 4508458, 7714013, 15428026, 840827417, 1681654834]

約数ペア:

[(1, 1681654834), (2, 840827417), (109, 15428026), (218, 7714013), (373, 4508458), (746, 2254229), (20681, 81314), (40657, 41362)]