12139778

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9743}}^1$

素因数の和:9841

約数の個数: 16

約数和(自身を含む): 21047040

約数和(自身を除く): 8907262

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 9743, 19486, 68201, 136402, 867127, 1734254, 6069889, 12139778]

約数ペア:

[(1, 12139778), (2, 6069889), (7, 1734254), (14, 867127), (89, 136402), (178, 68201), (623, 19486), (1246, 9743)]