218361712

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{164429}}^1$

素因数の和:164520

約数の個数: 20

約数和(自身を含む): 428175720

約数和(自身を除く): 209814008

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 164429, 328858, 657716, 1315432, 2630864, 13647607, 27295214, 54590428, 109180856, 218361712]

約数ペア:

[(1, 218361712), (2, 109180856), (4, 54590428), (8, 27295214), (16, 13647607), (83, 2630864), (166, 1315432), (332, 657716), (664, 328858), (1328, 164429)]