209940652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{21751}}^1$

素因数の和:21901

約数の個数: 24

約数和(自身を含む): 389795840

約数和(自身を除く): 179855188

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2413, 4826, 9652, 21751, 43502, 87004, 413269, 826538, 1653076, 2762377, 5524754, 11049508, 52485163, 104970326, 209940652]

約数ペア:

[(1, 209940652), (2, 104970326), (4, 52485163), (19, 11049508), (38, 5524754), (76, 2762377), (127, 1653076), (254, 826538), (508, 413269), (2413, 87004), (4826, 43502), (9652, 21751)]