638292

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 1525216

約数和(自身を除く): 886924

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 1237, 2474, 3711, 4948, 7422, 14844, 53191, 106382, 159573, 212764, 319146, 638292]

約数ペア:

[(1, 638292), (2, 319146), (3, 212764), (4, 159573), (6, 106382), (12, 53191), (43, 14844), (86, 7422), (129, 4948), (172, 3711), (258, 2474), (516, 1237)]