28231105

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1889}}^1$

素因数の和:1969

約数の個数: 24

約数和(自身を含む): 40075560

約数和(自身を除く): 11844455

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 1889, 2135, 2989, 9445, 13223, 14945, 66115, 92561, 115229, 462805, 576145, 806603, 4033015, 5646221, 28231105]

約数ペア:

[(1, 28231105), (5, 5646221), (7, 4033015), (35, 806603), (49, 576145), (61, 462805), (245, 115229), (305, 92561), (427, 66115), (1889, 14945), (2135, 13223), (2989, 9445)]