28447769

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2132

約数の個数: 16

約数和(自身を含む): 34560000

約数和(自身を除く): 6112231

約数列:

[1, 7, 19, 107, 133, 749, 1999, 2033, 13993, 14231, 37981, 213893, 265867, 1497251, 4063967, 28447769]

約数ペア:

[(1, 28447769), (7, 4063967), (19, 1497251), (107, 265867), (133, 213893), (749, 37981), (1999, 14231), (2033, 13993)]