81173008

素因数分解:

$2^4\times 7^4\times {\mathrm{2113}}^1$

素因数の和:2149

約数の個数: 50

約数和(自身を含む): 183560734

約数和(自身を除く): 102387726

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2113, 2401, 2744, 4226, 4802, 5488, 8452, 9604, 14791, 16904, 19208, 29582, 33808, 38416, 59164, 103537, 118328, 207074, 236656, 414148, 724759, 828296, 1449518, 1656592, 2899036, 5073313, 5798072, 10146626, 11596144, 20293252, 40586504, 81173008]

約数ペア:

[(1, 81173008), (2, 40586504), (4, 20293252), (7, 11596144), (8, 10146626), (14, 5798072), (16, 5073313), (28, 2899036), (49, 1656592), (56, 1449518), (98, 828296), (112, 724759), (196, 414148), (343, 236656), (392, 207074), (686, 118328), (784, 103537), (1372, 59164), (2113, 38416), (2401, 33808), (2744, 29582), (4226, 19208), (4802, 16904), (5488, 14791), (8452, 9604)]