4491036991

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{390491}}^1$

素因数の和:390582

約数の個数: 16

約数和(自身を含む): 5398161408

約数和(自身を除く): 907124417

約数列:

[1, 7, 31, 53, 217, 371, 1643, 11501, 390491, 2733437, 12105221, 20696023, 84736547, 144872161, 641576713, 4491036991]

約数ペア:

[(1, 4491036991), (7, 641576713), (31, 144872161), (53, 84736547), (217, 20696023), (371, 12105221), (1643, 2733437), (11501, 390491)]