28263788

素因数分解:

$2^2\times 7^2\times {\mathrm{144203}}^1$

素因数の和:144221

約数の個数: 18

約数和(自身を含む): 57537396

約数和(自身を除く): 29273608

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 144203, 288406, 576812, 1009421, 2018842, 4037684, 7065947, 14131894, 28263788]

約数ペア:

[(1, 28263788), (2, 14131894), (4, 7065947), (7, 4037684), (14, 2018842), (28, 1009421), (49, 576812), (98, 288406), (196, 144203)]