12821963

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1871}}^1$

素因数の和:1978

約数の個数: 16

約数和(自身を含む): 16174080

約数和(自身を除く): 3352117

約数列:

[1, 7, 11, 77, 89, 623, 979, 1871, 6853, 13097, 20581, 144067, 166519, 1165633, 1831709, 12821963]

約数ペア:

[(1, 12821963), (7, 1831709), (11, 1165633), (77, 166519), (89, 144067), (623, 20581), (979, 13097), (1871, 6853)]