281036288

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{42223}}^1$

素因数の和:42254

約数の個数: 40

約数和(自身を含む): 604732128

約数和(自身を除く): 323695840

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 42223, 84446, 168892, 337784, 548899, 675568, 1097798, 1351136, 2195596, 2702272, 4391192, 5404544, 8782384, 10809088, 17564768, 21618176, 35129536, 70259072, 140518144, 281036288]

約数ペア:

[(1, 281036288), (2, 140518144), (4, 70259072), (8, 35129536), (13, 21618176), (16, 17564768), (26, 10809088), (32, 8782384), (52, 5404544), (64, 4391192), (104, 2702272), (128, 2195596), (208, 1351136), (256, 1097798), (416, 675568), (512, 548899), (832, 337784), (1664, 168892), (3328, 84446), (6656, 42223)]