12928993

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 17638992

約数和(自身を除く): 4709999

約数列:

[1, 7, 11, 17, 49, 77, 83, 119, 187, 289, 539, 581, 833, 913, 1309, 1411, 2023, 3179, 4067, 6391, 9163, 9877, 14161, 15521, 22253, 23987, 44737, 69139, 108647, 155771, 167909, 263857, 760529, 1175363, 1846999, 12928993]

約数ペア:

[(1, 12928993), (7, 1846999), (11, 1175363), (17, 760529), (49, 263857), (77, 167909), (83, 155771), (119, 108647), (187, 69139), (289, 44737), (539, 23987), (581, 22253), (833, 15521), (913, 14161), (1309, 9877), (1411, 9163), (2023, 6391), (3179, 4067)]