2556550191

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{12973}}^1$

素因数の和:13183

約数の個数: 32

約数和(自身を含む): 3812902912

約数和(自身を除く): 1256352721

約数列:

[1, 3, 13, 31, 39, 93, 163, 403, 489, 1209, 2119, 5053, 6357, 12973, 15159, 38919, 65689, 168649, 197067, 402163, 505947, 1206489, 2114599, 5228119, 6343797, 15684357, 27489787, 65552569, 82469361, 196657707, 852183397, 2556550191]

約数ペア:

[(1, 2556550191), (3, 852183397), (13, 196657707), (31, 82469361), (39, 65552569), (93, 27489787), (163, 15684357), (403, 6343797), (489, 5228119), (1209, 2114599), (2119, 1206489), (5053, 505947), (6357, 402163), (12973, 197067), (15159, 168649), (38919, 65689)]