12789931

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 16539120

約数和(自身を除く): 3749189

約数列:

[1, 7, 11, 49, 61, 77, 389, 427, 539, 671, 2723, 2989, 4279, 4697, 19061, 23729, 29953, 32879, 166103, 209671, 261019, 1162721, 1827133, 12789931]

約数ペア:

[(1, 12789931), (7, 1827133), (11, 1162721), (49, 261019), (61, 209671), (77, 166103), (389, 32879), (427, 29953), (539, 23729), (671, 19061), (2723, 4697), (2989, 4279)]