890678614

素因数分解:

$2^1\times 7^1\times {\mathrm{4001}}^1\times {\mathrm{15901}}^1$

素因数の和:19911

約数の個数: 16

約数和(自身を含む): 1527355296

約数和(自身を除く): 636676682

約数列:

[1, 2, 7, 14, 4001, 8002, 15901, 28007, 31802, 56014, 111307, 222614, 63619901, 127239802, 445339307, 890678614]

約数ペア:

[(1, 890678614), (2, 445339307), (7, 127239802), (14, 63619901), (4001, 222614), (8002, 111307), (15901, 56014), (28007, 31802)]