208457912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{6529}}^1$

素因数の和:6855

約数の個数: 32

約数和(自身を含む): 422360400

約数和(自身を除く): 213902488

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 614, 1228, 2456, 3991, 6529, 7982, 13058, 15964, 26116, 31928, 52232, 84877, 169754, 339508, 679016, 2004403, 4008806, 8017612, 16035224, 26057239, 52114478, 104228956, 208457912]

約数ペア:

[(1, 208457912), (2, 104228956), (4, 52114478), (8, 26057239), (13, 16035224), (26, 8017612), (52, 4008806), (104, 2004403), (307, 679016), (614, 339508), (1228, 169754), (2456, 84877), (3991, 52232), (6529, 31928), (7982, 26116), (13058, 15964)]