56667845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28123}}^1$

素因数の和:28172

約数の個数: 16

約数和(自身を含む): 75597312

約数和(自身を除く): 18929467

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 28123, 140615, 365599, 871813, 1827995, 4359065, 11333569, 56667845]

約数ペア:

[(1, 56667845), (5, 11333569), (13, 4359065), (31, 1827995), (65, 871813), (155, 365599), (403, 140615), (2015, 28123)]