198966848

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:619

約数の個数: 56

約数和(自身を含む): 407164032

約数和(自身を除く): 208197184

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 197, 344, 367, 394, 688, 734, 788, 1376, 1468, 1576, 2752, 2936, 3152, 5872, 6304, 8471, 11744, 12608, 15781, 16942, 23488, 31562, 33884, 63124, 67768, 72299, 126248, 135536, 144598, 252496, 271072, 289196, 504992, 542144, 578392, 1009984, 1156784, 2313568, 3108857, 4627136, 6217714, 12435428, 24870856, 49741712, 99483424, 198966848]

約数ペア:

[(1, 198966848), (2, 99483424), (4, 49741712), (8, 24870856), (16, 12435428), (32, 6217714), (43, 4627136), (64, 3108857), (86, 2313568), (172, 1156784), (197, 1009984), (344, 578392), (367, 542144), (394, 504992), (688, 289196), (734, 271072), (788, 252496), (1376, 144598), (1468, 135536), (1576, 126248), (2752, 72299), (2936, 67768), (3152, 63124), (5872, 33884), (6304, 31562), (8471, 23488), (11744, 16942), (12608, 15781)]