28707430

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40433}}^1$

素因数の和:40511

約数の個数: 16

約数和(自身を含む): 52402464

約数和(自身を除く): 23695034

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 40433, 80866, 202165, 404330, 2870743, 5741486, 14353715, 28707430]

約数ペア:

[(1, 28707430), (2, 14353715), (5, 5741486), (10, 2870743), (71, 404330), (142, 202165), (355, 80866), (710, 40433)]