28643286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{681983}}^1$

素因数の和:681995

約数の個数: 16

約数和(自身を含む): 65470464

約数和(自身を除く): 36827178

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 681983, 1363966, 2045949, 4091898, 4773881, 9547762, 14321643, 28643286]

約数ペア:

[(1, 28643286), (2, 14321643), (3, 9547762), (6, 4773881), (7, 4091898), (14, 2045949), (21, 1363966), (42, 681983)]