291244136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{7621}}^1$

素因数の和:7925

約数の個数: 32

約数和(自身を含む): 580339080

約数和(自身を除く): 289094944

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 281, 562, 1124, 2248, 4777, 7621, 9554, 15242, 19108, 30484, 38216, 60968, 129557, 259114, 518228, 1036456, 2141501, 4283002, 8566004, 17132008, 36405517, 72811034, 145622068, 291244136]

約数ペア:

[(1, 291244136), (2, 145622068), (4, 72811034), (8, 36405517), (17, 17132008), (34, 8566004), (68, 4283002), (136, 2141501), (281, 1036456), (562, 518228), (1124, 259114), (2248, 129557), (4777, 60968), (7621, 38216), (9554, 30484), (15242, 19108)]