164568656

素因数分解:

$2^4\times 7^3\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:377

約数の個数: 80

約数和(自身を含む): 376166400

約数和(自身を除く): 211597744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 157, 191, 196, 314, 343, 382, 392, 628, 686, 764, 784, 1099, 1256, 1337, 1372, 1528, 2198, 2512, 2674, 2744, 3056, 4396, 5348, 5488, 7693, 8792, 9359, 10696, 15386, 17584, 18718, 21392, 29987, 30772, 37436, 53851, 59974, 61544, 65513, 74872, 107702, 119948, 123088, 131026, 149744, 209909, 215404, 239896, 262052, 419818, 430808, 479792, 524104, 839636, 861616, 1048208, 1469363, 1679272, 2938726, 3358544, 5877452, 10285541, 11754904, 20571082, 23509808, 41142164, 82284328, 164568656]

約数ペア:

[(1, 164568656), (2, 82284328), (4, 41142164), (7, 23509808), (8, 20571082), (14, 11754904), (16, 10285541), (28, 5877452), (49, 3358544), (56, 2938726), (98, 1679272), (112, 1469363), (157, 1048208), (191, 861616), (196, 839636), (314, 524104), (343, 479792), (382, 430808), (392, 419818), (628, 262052), (686, 239896), (764, 215404), (784, 209909), (1099, 149744), (1256, 131026), (1337, 123088), (1372, 119948), (1528, 107702), (2198, 74872), (2512, 65513), (2674, 61544), (2744, 59974), (3056, 53851), (4396, 37436), (5348, 30772), (5488, 29987), (7693, 21392), (8792, 18718), (9359, 17584), (10696, 15386)]