207942886

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:688

約数の個数: 24

約数和(自身を含む): 323159760

約数和(自身を除く): 115216874

約数列:

[1, 2, 37, 74, 173, 346, 439, 878, 1369, 2738, 6401, 12802, 16243, 32486, 75947, 151894, 236837, 473674, 600991, 1201982, 2810039, 5620078, 103971443, 207942886]

約数ペア:

[(1, 207942886), (2, 103971443), (37, 5620078), (74, 2810039), (173, 1201982), (346, 600991), (439, 473674), (878, 236837), (1369, 151894), (2738, 75947), (6401, 32486), (12802, 16243)]