28516144

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 56715120

約数和(自身を除く): 28198976

約数列:

[1, 2, 4, 8, 16, 83, 109, 166, 197, 218, 332, 394, 436, 664, 788, 872, 1328, 1576, 1744, 3152, 9047, 16351, 18094, 21473, 32702, 36188, 42946, 65404, 72376, 85892, 130808, 144752, 171784, 261616, 343568, 1782259, 3564518, 7129036, 14258072, 28516144]

約数ペア:

[(1, 28516144), (2, 14258072), (4, 7129036), (8, 3564518), (16, 1782259), (83, 343568), (109, 261616), (166, 171784), (197, 144752), (218, 130808), (332, 85892), (394, 72376), (436, 65404), (664, 42946), (788, 36188), (872, 32702), (1328, 21473), (1576, 18094), (1744, 16351), (3152, 9047)]