28276490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23369}}^1$

素因数の和:23398

約数の個数: 24

約数和(自身を含む): 55947780

約数和(自身を除く): 27671290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 23369, 46738, 116845, 233690, 257059, 514118, 1285295, 2570590, 2827649, 5655298, 14138245, 28276490]

約数ペア:

[(1, 28276490), (2, 14138245), (5, 5655298), (10, 2827649), (11, 2570590), (22, 1285295), (55, 514118), (110, 257059), (121, 233690), (242, 116845), (605, 46738), (1210, 23369)]