81496408

素因数分解:

$2^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1637}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 179262720

約数和(自身を除く): 97766312

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 127, 196, 254, 392, 508, 889, 1016, 1637, 1778, 3274, 3556, 6223, 6548, 7112, 11459, 12446, 13096, 22918, 24892, 45836, 49784, 80213, 91672, 160426, 207899, 320852, 415798, 641704, 831596, 1455293, 1663192, 2910586, 5821172, 10187051, 11642344, 20374102, 40748204, 81496408]

約数ペア:

[(1, 81496408), (2, 40748204), (4, 20374102), (7, 11642344), (8, 10187051), (14, 5821172), (28, 2910586), (49, 1663192), (56, 1455293), (98, 831596), (127, 641704), (196, 415798), (254, 320852), (392, 207899), (508, 160426), (889, 91672), (1016, 80213), (1637, 49784), (1778, 45836), (3274, 24892), (3556, 22918), (6223, 13096), (6548, 12446), (7112, 11459)]