16688441

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 23748480

約数和(自身を除く): 7060039

約数列:

[1, 7, 11, 17, 19, 61, 77, 119, 121, 133, 187, 209, 323, 427, 671, 847, 1037, 1159, 1309, 1463, 2057, 2261, 2299, 3553, 4697, 7259, 7381, 8113, 11407, 12749, 14399, 16093, 19703, 24871, 39083, 51667, 79849, 89243, 125477, 137921, 140239, 216733, 273581, 878339, 981673, 1517131, 2384063, 16688441]

約数ペア:

[(1, 16688441), (7, 2384063), (11, 1517131), (17, 981673), (19, 878339), (61, 273581), (77, 216733), (119, 140239), (121, 137921), (133, 125477), (187, 89243), (209, 79849), (323, 51667), (427, 39083), (671, 24871), (847, 19703), (1037, 16093), (1159, 14399), (1309, 12749), (1463, 11407), (2057, 8113), (2261, 7381), (2299, 7259), (3553, 4697)]