12721678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 9051122

約数列:

[1, 2, 17, 19, 34, 38, 47, 94, 323, 419, 646, 799, 838, 893, 1598, 1786, 7123, 7961, 14246, 15181, 15922, 19693, 30362, 39386, 135337, 270674, 334781, 374167, 669562, 748334, 6360839, 12721678]

約数ペア:

[(1, 12721678), (2, 6360839), (17, 748334), (19, 669562), (34, 374167), (38, 334781), (47, 270674), (94, 135337), (323, 39386), (419, 30362), (646, 19693), (799, 15922), (838, 15181), (893, 14246), (1598, 7961), (1786, 7123)]