39880477

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 51666944

約数和(自身を除く): 11786467

約数列:

[1, 7, 13, 31, 67, 91, 211, 217, 403, 469, 871, 1477, 2077, 2743, 2821, 6097, 6541, 14137, 14539, 19201, 27001, 45787, 85033, 98959, 183781, 189007, 438247, 595231, 1286467, 3067729, 5697211, 39880477]

約数ペア:

[(1, 39880477), (7, 5697211), (13, 3067729), (31, 1286467), (67, 595231), (91, 438247), (211, 189007), (217, 183781), (403, 98959), (469, 85033), (871, 45787), (1477, 27001), (2077, 19201), (2743, 14539), (2821, 14137), (6097, 6541)]