2147806.00000000

素因数分解:

$2^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 50940900

約数和(自身を除く): 27879932

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 89, 98, 178, 196, 356, 392, 623, 661, 712, 1246, 1322, 2492, 2644, 4361, 4627, 4984, 5288, 8722, 9254, 17444, 18508, 32389, 34888, 37016, 58829, 64778, 117658, 129556, 235316, 259112, 411803, 470632, 823606, 1647212, 2882621, 3294424, 5765242, 11530484, 23060968]

約数ペア:

[(1, 23060968), (2, 11530484), (4, 5765242), (7, 3294424), (8, 2882621), (14, 1647212), (28, 823606), (49, 470632), (56, 411803), (89, 259112), (98, 235316), (178, 129556), (196, 117658), (356, 64778), (392, 58829), (623, 37016), (661, 34888), (712, 32389), (1246, 18508), (1322, 17444), (2492, 9254), (2644, 8722), (4361, 5288), (4627, 4984)]