872642

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 16

約数和(自身を含む): 1367520

約数和(自身を除く): 494878

約数列:

[1, 2, 43, 73, 86, 139, 146, 278, 3139, 5977, 6278, 10147, 11954, 20294, 436321, 872642]

約数ペア:

[(1, 872642), (2, 436321), (43, 20294), (73, 11954), (86, 10147), (139, 6278), (146, 5977), (278, 3139)]