12978434

素因数分解:

$2^1\times 7^3\times {\mathrm{18919}}^1$

素因数の和:18942

約数の個数: 16

約数和(自身を含む): 22704000

約数和(自身を除く): 9725566

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 18919, 37838, 132433, 264866, 927031, 1854062, 6489217, 12978434]

約数ペア:

[(1, 12978434), (2, 6489217), (7, 1854062), (14, 927031), (49, 264866), (98, 132433), (343, 37838), (686, 18919)]