27991054

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 53319168

約数和(自身を除く): 25328114

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 127, 173, 182, 254, 346, 637, 889, 1211, 1274, 1651, 1778, 2249, 2422, 3302, 4498, 6223, 8477, 11557, 12446, 15743, 16954, 21971, 23114, 31486, 43942, 80899, 110201, 153797, 161798, 220402, 285623, 307594, 571246, 1076579, 1999361, 2153158, 3998722, 13995527, 27991054]

約数ペア:

[(1, 27991054), (2, 13995527), (7, 3998722), (13, 2153158), (14, 1999361), (26, 1076579), (49, 571246), (91, 307594), (98, 285623), (127, 220402), (173, 161798), (182, 153797), (254, 110201), (346, 80899), (637, 43942), (889, 31486), (1211, 23114), (1274, 21971), (1651, 16954), (1778, 15743), (2249, 12446), (2422, 11557), (3302, 8477), (4498, 6223)]