217396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:183

約数の個数: 24

約数和(自身を含む): 423360

約数和(自身を除く): 205964

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 139, 278, 391, 556, 782, 1564, 2363, 3197, 4726, 6394, 9452, 12788, 54349, 108698, 217396]

約数ペア:

[(1, 217396), (2, 108698), (4, 54349), (17, 12788), (23, 9452), (34, 6394), (46, 4726), (68, 3197), (92, 2363), (139, 1564), (278, 782), (391, 556)]