137815856

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 272367984

約数和(自身を除く): 134552128

約数列:

[1, 2, 4, 8, 16, 83, 157, 166, 314, 332, 628, 661, 664, 1256, 1322, 1328, 2512, 2644, 5288, 10576, 13031, 26062, 52124, 54863, 103777, 104248, 109726, 207554, 208496, 219452, 415108, 438904, 830216, 877808, 1660432, 8613491, 17226982, 34453964, 68907928, 137815856]

約数ペア:

[(1, 137815856), (2, 68907928), (4, 34453964), (8, 17226982), (16, 8613491), (83, 1660432), (157, 877808), (166, 830216), (314, 438904), (332, 415108), (628, 219452), (661, 208496), (664, 207554), (1256, 109726), (1322, 104248), (1328, 103777), (2512, 54863), (2644, 52124), (5288, 26062), (10576, 13031)]