28002007

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 31715712

約数和(自身を除く): 3713705

約数列:

[1, 11, 37, 107, 407, 643, 1177, 3959, 7073, 23791, 43549, 68801, 261701, 756811, 2545637, 28002007]

約数ペア:

[(1, 28002007), (11, 2545637), (37, 756811), (107, 261701), (407, 68801), (643, 43549), (1177, 23791), (3959, 7073)]