2174185

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 2951424

約数和(自身を除く): 777239

約数列:

[1, 5, 13, 31, 65, 83, 155, 169, 403, 415, 845, 1079, 2015, 2573, 5239, 5395, 12865, 14027, 26195, 33449, 70135, 167245, 434837, 2174185]

約数ペア:

[(1, 2174185), (5, 434837), (13, 167245), (31, 70135), (65, 33449), (83, 26195), (155, 14027), (169, 12865), (403, 5395), (415, 5239), (845, 2573), (1079, 2015)]