28351135

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 36484560

約数和(自身を除く): 8133425

約数列:

[1, 5, 19, 95, 113, 139, 361, 565, 695, 1805, 2147, 2641, 10735, 13205, 15707, 40793, 50179, 78535, 203965, 250895, 298433, 1492165, 5670227, 28351135]

約数ペア:

[(1, 28351135), (5, 5670227), (19, 1492165), (95, 298433), (113, 250895), (139, 203965), (361, 78535), (565, 50179), (695, 40793), (1805, 15707), (2147, 13205), (2641, 10735)]