890473418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{321007}}^1$

素因数の和:321101

約数の個数: 16

約数和(自身を含む): 1425275520

約数和(自身を除く): 534802102

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 321007, 642014, 6099133, 12198266, 23433511, 46867022, 445236709, 890473418]

約数ペア:

[(1, 890473418), (2, 445236709), (19, 46867022), (38, 23433511), (73, 12198266), (146, 6099133), (1387, 642014), (2774, 321007)]