81706704.000000000

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{21871}}^1$

素因数の和:21932

約数の個数: 48

約数和(自身を含む): 470335488

約数和(自身を除く): 283207212

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 46, 62, 69, 92, 93, 124, 138, 186, 276, 372, 713, 1426, 2139, 2852, 4278, 8556, 21871, 43742, 65613, 87484, 131226, 262452, 503033, 678001, 1006066, 1356002, 1509099, 2012132, 2034003, 2712004, 3018198, 4068006, 6036396, 8136012, 15594023, 31188046, 46782069, 62376092, 93564138, 187128276]

約数ペア:

[(1, 187128276), (2, 93564138), (3, 62376092), (4, 46782069), (6, 31188046), (12, 15594023), (23, 8136012), (31, 6036396), (46, 4068006), (62, 3018198), (69, 2712004), (92, 2034003), (93, 2012132), (124, 1509099), (138, 1356002), (186, 1006066), (276, 678001), (372, 503033), (713, 262452), (1426, 131226), (2139, 87484), (2852, 65613), (4278, 43742), (8556, 21871)]