12189947

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 16174080

約数和(自身を除く): 3984133

約数列:

[1, 7, 11, 29, 53, 77, 103, 203, 319, 371, 583, 721, 1133, 1537, 2233, 2987, 4081, 5459, 7931, 10759, 16907, 20909, 32857, 38213, 60049, 118349, 158311, 229999, 420343, 1108177, 1741421, 12189947]

約数ペア:

[(1, 12189947), (7, 1741421), (11, 1108177), (29, 420343), (53, 229999), (77, 158311), (103, 118349), (203, 60049), (319, 38213), (371, 32857), (583, 20909), (721, 16907), (1133, 10759), (1537, 7931), (2233, 5459), (2987, 4081)]