81949952

素因数分解:

$2^8\times 7^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 108

約数和(自身を含む): 195733440

約数和(自身を除く): 113783488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 64, 94, 98, 112, 128, 139, 188, 196, 224, 256, 278, 329, 376, 392, 448, 556, 658, 752, 784, 896, 973, 1112, 1316, 1504, 1568, 1792, 1946, 2224, 2303, 2632, 3008, 3136, 3892, 4448, 4606, 5264, 6016, 6272, 6533, 6811, 7784, 8896, 9212, 10528, 12032, 12544, 13066, 13622, 15568, 17792, 18424, 21056, 26132, 27244, 31136, 35584, 36848, 42112, 45731, 52264, 54488, 62272, 73696, 84224, 91462, 104528, 108976, 124544, 147392, 182924, 209056, 217952, 249088, 294784, 320117, 365848, 418112, 435904, 589568, 640234, 731696, 836224, 871808, 1280468, 1463392, 1672448, 1743616, 2560936, 2926784, 5121872, 5853568, 10243744, 11707136, 20487488, 40974976, 81949952]

約数ペア:

[(1, 81949952), (2, 40974976), (4, 20487488), (7, 11707136), (8, 10243744), (14, 5853568), (16, 5121872), (28, 2926784), (32, 2560936), (47, 1743616), (49, 1672448), (56, 1463392), (64, 1280468), (94, 871808), (98, 836224), (112, 731696), (128, 640234), (139, 589568), (188, 435904), (196, 418112), (224, 365848), (256, 320117), (278, 294784), (329, 249088), (376, 217952), (392, 209056), (448, 182924), (556, 147392), (658, 124544), (752, 108976), (784, 104528), (896, 91462), (973, 84224), (1112, 73696), (1316, 62272), (1504, 54488), (1568, 52264), (1792, 45731), (1946, 42112), (2224, 36848), (2303, 35584), (2632, 31136), (3008, 27244), (3136, 26132), (3892, 21056), (4448, 18424), (4606, 17792), (5264, 15568), (6016, 13622), (6272, 13066), (6533, 12544), (6811, 12032), (7784, 10528), (8896, 9212)]