256568144

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{14591}}^1$

素因数の和:14763

約数の個数: 40

約数和(自身を含む): 571772928

約数和(自身を除く): 315204784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 2198, 2512, 4396, 8792, 14591, 17584, 29182, 58364, 102137, 116728, 204274, 233456, 408548, 817096, 1634192, 2290787, 4581574, 9163148, 16035509, 18326296, 32071018, 36652592, 64142036, 128284072, 256568144]

約数ペア:

[(1, 256568144), (2, 128284072), (4, 64142036), (7, 36652592), (8, 32071018), (14, 18326296), (16, 16035509), (28, 9163148), (56, 4581574), (112, 2290787), (157, 1634192), (314, 817096), (628, 408548), (1099, 233456), (1256, 204274), (2198, 116728), (2512, 102137), (4396, 58364), (8792, 29182), (14591, 17584)]