28306138

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28477}}^1$

素因数の和:28557

約数の個数: 16

約数和(自身を含む): 49209984

約数和(自身を除く): 20903846

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 28477, 56954, 199339, 398678, 2021867, 4043734, 14153069, 28306138]

約数ペア:

[(1, 28306138), (2, 14153069), (7, 4043734), (14, 2021867), (71, 398678), (142, 199339), (497, 56954), (994, 28477)]