164866752016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{239631907}}^1$

素因数の和:239631958

約数の個数: 20

約数和(自身を含む): 326857922512

約数和(自身を除く): 161991170496

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 239631907, 479263814, 958527628, 1917055256, 3834110512, 10304172001, 20608344002, 41216688004, 82433376008, 164866752016]

約数ペア:

[(1, 164866752016), (2, 82433376008), (4, 41216688004), (8, 20608344002), (16, 10304172001), (43, 3834110512), (86, 1917055256), (172, 958527628), (344, 479263814), (688, 239631907)]