205266721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 244944000

約数和(自身を除く): 39677279

約数列:

[1, 11, 17, 53, 139, 149, 187, 583, 901, 1529, 1639, 2363, 2533, 7367, 7897, 9911, 20711, 25993, 27863, 81037, 86867, 125239, 134249, 227821, 352087, 1097683, 1377629, 1476739, 3872957, 12074513, 18660611, 205266721]

約数ペア:

[(1, 205266721), (11, 18660611), (17, 12074513), (53, 3872957), (139, 1476739), (149, 1377629), (187, 1097683), (583, 352087), (901, 227821), (1529, 134249), (1639, 125239), (2363, 86867), (2533, 81037), (7367, 27863), (7897, 25993), (9911, 20711)]