81323536

素因数分解:

$2^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2207}}^1$

素因数の和:2276

約数の個数: 60

約数和(自身を含む): 187273728

約数和(自身を除く): 105950192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 98, 112, 188, 196, 329, 376, 392, 658, 752, 784, 1316, 2207, 2303, 2632, 4414, 4606, 5264, 8828, 9212, 15449, 17656, 18424, 30898, 35312, 36848, 61796, 103729, 108143, 123592, 207458, 216286, 247184, 414916, 432572, 726103, 829832, 865144, 1452206, 1659664, 1730288, 2904412, 5082721, 5808824, 10165442, 11617648, 20330884, 40661768, 81323536]

約数ペア:

[(1, 81323536), (2, 40661768), (4, 20330884), (7, 11617648), (8, 10165442), (14, 5808824), (16, 5082721), (28, 2904412), (47, 1730288), (49, 1659664), (56, 1452206), (94, 865144), (98, 829832), (112, 726103), (188, 432572), (196, 414916), (329, 247184), (376, 216286), (392, 207458), (658, 123592), (752, 108143), (784, 103729), (1316, 61796), (2207, 36848), (2303, 35312), (2632, 30898), (4414, 18424), (4606, 17656), (5264, 15449), (8828, 9212)]