664935152

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{258127}}^1$

素因数の和:258165

約数の個数: 40

約数和(自身を含む): 1536377856

約数和(自身を除く): 871442704

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 258127, 516254, 1032508, 1806889, 2065016, 3613778, 4130032, 5936921, 7227556, 11873842, 14455112, 23747684, 28910224, 41558447, 47495368, 83116894, 94990736, 166233788, 332467576, 664935152]

約数ペア:

[(1, 664935152), (2, 332467576), (4, 166233788), (7, 94990736), (8, 83116894), (14, 47495368), (16, 41558447), (23, 28910224), (28, 23747684), (46, 14455112), (56, 11873842), (92, 7227556), (112, 5936921), (161, 4130032), (184, 3613778), (322, 2065016), (368, 1806889), (644, 1032508), (1288, 516254), (2576, 258127)]