217871294

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{20921}}^1$

素因数の和:21091

約数の個数: 16

約数和(自身を含む): 337430016

約数和(自身を除く): 119558722

約数列:

[1, 2, 41, 82, 127, 254, 5207, 10414, 20921, 41842, 857761, 1715522, 2656967, 5313934, 108935647, 217871294]

約数ペア:

[(1, 217871294), (2, 108935647), (41, 5313934), (82, 2656967), (127, 1715522), (254, 857761), (5207, 41842), (10414, 20921)]