2778293

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 3458304

約数和(自身を除く): 680011

約数列:

[1, 7, 17, 37, 119, 259, 629, 631, 4403, 4417, 10727, 23347, 75089, 163429, 396899, 2778293]

約数ペア:

[(1, 2778293), (7, 396899), (17, 163429), (37, 75089), (119, 23347), (259, 10727), (629, 4417), (631, 4403)]