12219878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^2\times {\mathrm{89}}^1$

素因数の和:260

約数の個数: 24

約数和(自身を含む): 20480040

約数和(自身を除く): 8260162

約数列:

[1, 2, 11, 22, 79, 89, 158, 178, 869, 979, 1738, 1958, 6241, 7031, 12482, 14062, 68651, 77341, 137302, 154682, 555449, 1110898, 6109939, 12219878]

約数ペア:

[(1, 12219878), (2, 6109939), (11, 1110898), (22, 555449), (79, 154682), (89, 137302), (158, 77341), (178, 68651), (869, 14062), (979, 12482), (1738, 7031), (1958, 6241)]