821304852

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{492389}}^1$

素因数の和:492535

約数の個数: 24

約数和(自身を含む): 1930168800

約数和(自身を除く): 1108863948

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 492389, 984778, 1477167, 1969556, 2954334, 5908668, 68442071, 136884142, 205326213, 273768284, 410652426, 821304852]

約数ペア:

[(1, 821304852), (2, 410652426), (3, 273768284), (4, 205326213), (6, 136884142), (12, 68442071), (139, 5908668), (278, 2954334), (417, 1969556), (556, 1477167), (834, 984778), (1668, 492389)]