257270576

素因数分解:

$2^4\times {\mathrm{709}}^1\times {\mathrm{22679}}^1$

素因数の和:23396

約数の個数: 20

約数和(自身を含む): 499186800

約数和(自身を除く): 241916224

約数列:

[1, 2, 4, 8, 16, 709, 1418, 2836, 5672, 11344, 22679, 45358, 90716, 181432, 362864, 16079411, 32158822, 64317644, 128635288, 257270576]

約数ペア:

[(1, 257270576), (2, 128635288), (4, 64317644), (8, 32158822), (16, 16079411), (709, 362864), (1418, 181432), (2836, 90716), (5672, 45358), (11344, 22679)]