979833838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1\times {\mathrm{12899}}^1$

素因数の和:14919

約数の個数: 16

約数和(自身を含む): 1548000000

約数和(自身を除く): 568166162

約数列:

[1, 2, 19, 38, 1999, 3998, 12899, 25798, 37981, 75962, 245081, 490162, 25785101, 51570202, 489916919, 979833838]

約数ペア:

[(1, 979833838), (2, 489916919), (19, 51570202), (38, 25785101), (1999, 490162), (3998, 245081), (12899, 75962), (25798, 37981)]