257701249

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{2693}}^1$

素因数の和:3156

約数の個数: 16

約数和(自身を含む): 294637392

約数和(自身を除く): 36936143

約数列:

[1, 13, 17, 221, 433, 2693, 5629, 7361, 35009, 45781, 95693, 595153, 1166069, 15158897, 19823173, 257701249]

約数ペア:

[(1, 257701249), (13, 19823173), (17, 15158897), (221, 1166069), (433, 595153), (2693, 95693), (5629, 45781), (7361, 35009)]