256017846

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{870809}}^1$

素因数の和:870828

約数の個数: 24

約数和(自身を含む): 595634040

約数和(自身を除く): 339616194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 870809, 1741618, 2612427, 5224854, 6095663, 12191326, 18286989, 36573978, 42669641, 85339282, 128008923, 256017846]

約数ペア:

[(1, 256017846), (2, 128008923), (3, 85339282), (6, 42669641), (7, 36573978), (14, 18286989), (21, 12191326), (42, 6095663), (49, 5224854), (98, 2612427), (147, 1741618), (294, 870809)]