28139028

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2371}}^1$

素因数の和:2444

約数の個数: 48

約数和(自身を含む): 70135296

約数和(自身を除く): 41996268

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1978, 2371, 2967, 3956, 4742, 5934, 7113, 9484, 11868, 14226, 28452, 54533, 101953, 109066, 163599, 203906, 218132, 305859, 327198, 407812, 611718, 654396, 1223436, 2344919, 4689838, 7034757, 9379676, 14069514, 28139028]

約数ペア:

[(1, 28139028), (2, 14069514), (3, 9379676), (4, 7034757), (6, 4689838), (12, 2344919), (23, 1223436), (43, 654396), (46, 611718), (69, 407812), (86, 327198), (92, 305859), (129, 218132), (138, 203906), (172, 163599), (258, 109066), (276, 101953), (516, 54533), (989, 28452), (1978, 14226), (2371, 11868), (2967, 9484), (3956, 7113), (4742, 5934)]