213292004

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{31721}}^1$

素因数の和:31807

約数の個数: 18

約数和(自身を含む): 382599042

約数和(自身を除く): 169307038

約数列:

[1, 2, 4, 41, 82, 164, 1681, 3362, 6724, 31721, 63442, 126884, 1300561, 2601122, 5202244, 53323001, 106646002, 213292004]

約数ペア:

[(1, 213292004), (2, 106646002), (4, 53323001), (41, 5202244), (82, 2601122), (164, 1300561), (1681, 126884), (3362, 63442), (6724, 31721)]