81860864

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{13903}}^1$

素因数の和:13942

約数の個数: 36

約数和(自身を含む): 170518656

約数和(自身を除く): 88657792

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 5888, 13903, 27806, 55612, 111224, 222448, 319769, 444896, 639538, 889792, 1279076, 1779584, 2558152, 3559168, 5116304, 10232608, 20465216, 40930432, 81860864]

約数ペア:

[(1, 81860864), (2, 40930432), (4, 20465216), (8, 10232608), (16, 5116304), (23, 3559168), (32, 2558152), (46, 1779584), (64, 1279076), (92, 889792), (128, 639538), (184, 444896), (256, 319769), (368, 222448), (736, 111224), (1472, 55612), (2944, 27806), (5888, 13903)]