290508

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 694848

約数和(自身を除く): 404340

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 563, 1126, 1689, 2252, 3378, 6756, 24209, 48418, 72627, 96836, 145254, 290508]

約数ペア:

[(1, 290508), (2, 145254), (3, 96836), (4, 72627), (6, 48418), (12, 24209), (43, 6756), (86, 3378), (129, 2252), (172, 1689), (258, 1126), (516, 563)]