31912919

素因数分解:

${\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:350

約数の個数: 16

約数和(自身を含む): 33976320

約数和(自身を除く): 2063401

約数列:

[1, 31, 79, 83, 157, 2449, 2573, 4867, 6557, 12403, 13031, 203267, 384493, 403961, 1029449, 31912919]

約数ペア:

[(1, 31912919), (31, 1029449), (79, 403961), (83, 384493), (157, 203267), (2449, 13031), (2573, 12403), (4867, 6557)]