81715648

素因数分解:

$2^6\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1019}}^1$

素因数の和:1217

約数の個数: 56

約数和(自身を含む): 186537600

約数和(自身を除く): 104821952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 179, 224, 358, 448, 716, 1019, 1253, 1432, 2038, 2506, 2864, 4076, 5012, 5728, 7133, 8152, 10024, 11456, 14266, 16304, 20048, 28532, 32608, 40096, 57064, 65216, 80192, 114128, 182401, 228256, 364802, 456512, 729604, 1276807, 1459208, 2553614, 2918416, 5107228, 5836832, 10214456, 11673664, 20428912, 40857824, 81715648]

約数ペア:

[(1, 81715648), (2, 40857824), (4, 20428912), (7, 11673664), (8, 10214456), (14, 5836832), (16, 5107228), (28, 2918416), (32, 2553614), (56, 1459208), (64, 1276807), (112, 729604), (179, 456512), (224, 364802), (358, 228256), (448, 182401), (716, 114128), (1019, 80192), (1253, 65216), (1432, 57064), (2038, 40096), (2506, 32608), (2864, 28532), (4076, 20048), (5012, 16304), (5728, 14266), (7133, 11456), (8152, 10024)]