404012

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 827904

約数和(自身を除く): 423892

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 307, 329, 614, 658, 1228, 1316, 2149, 4298, 8596, 14429, 28858, 57716, 101003, 202006, 404012]

約数ペア:

[(1, 404012), (2, 202006), (4, 101003), (7, 57716), (14, 28858), (28, 14429), (47, 8596), (94, 4298), (188, 2149), (307, 1316), (329, 1228), (614, 658)]