81400312

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63199}}^1$

素因数の和:63235

約数の個数: 32

約数和(自身を含む): 182016000

約数和(自身を除く): 100615688

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 63199, 126398, 252796, 442393, 505592, 884786, 1453577, 1769572, 2907154, 3539144, 5814308, 10175039, 11628616, 20350078, 40700156, 81400312]

約数ペア:

[(1, 81400312), (2, 40700156), (4, 20350078), (7, 11628616), (8, 10175039), (14, 5814308), (23, 3539144), (28, 2907154), (46, 1769572), (56, 1453577), (92, 884786), (161, 505592), (184, 442393), (322, 252796), (644, 126398), (1288, 63199)]