28587275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{599}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 37497600

約数和(自身を除く): 8910325

約数列:

[1, 5, 23, 25, 83, 115, 415, 575, 599, 1909, 2075, 2995, 9545, 13777, 14975, 47725, 49717, 68885, 248585, 344425, 1143491, 1242925, 5717455, 28587275]

約数ペア:

[(1, 28587275), (5, 5717455), (23, 1242925), (25, 1143491), (83, 344425), (115, 248585), (415, 68885), (575, 49717), (599, 47725), (1909, 14975), (2075, 13777), (2995, 9545)]