28005656

素因数分解:

$2^3\times 7^2\times {\mathrm{71443}}^1$

素因数の和:71463

約数の個数: 24

約数和(自身を含む): 61084620

約数和(自身を除く): 33078964

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 71443, 142886, 285772, 500101, 571544, 1000202, 2000404, 3500707, 4000808, 7001414, 14002828, 28005656]

約数ペア:

[(1, 28005656), (2, 14002828), (4, 7001414), (7, 4000808), (8, 3500707), (14, 2000404), (28, 1000202), (49, 571544), (56, 500101), (98, 285772), (196, 142886), (392, 71443)]