12638886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5227}}^1$

素因数の和:5276

約数の個数: 32

約数和(自身を含む): 28105728

約数和(自身を除く): 15466842

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 5227, 10454, 15681, 31362, 67951, 135902, 162037, 203853, 324074, 407706, 486111, 972222, 2106481, 4212962, 6319443, 12638886]

約数ペア:

[(1, 12638886), (2, 6319443), (3, 4212962), (6, 2106481), (13, 972222), (26, 486111), (31, 407706), (39, 324074), (62, 203853), (78, 162037), (93, 135902), (186, 67951), (403, 31362), (806, 15681), (1209, 10454), (2418, 5227)]