51540475

素因数分解:

$5^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{947}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 73352448

約数和(自身を除く): 21811973

約数列:

[1, 5, 7, 25, 35, 175, 311, 947, 1555, 2177, 4735, 6629, 7775, 10885, 23675, 33145, 54425, 165725, 294517, 1472585, 2061619, 7362925, 10308095, 51540475]

約数ペア:

[(1, 51540475), (5, 10308095), (7, 7362925), (25, 2061619), (35, 1472585), (175, 294517), (311, 165725), (947, 54425), (1555, 33145), (2177, 23675), (4735, 10885), (6629, 7775)]