1398889690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12717179}}^1$

素因数の和:12717197

約数の個数: 16

約数和(自身を含む): 2746910880

約数和(自身を除く): 1348021190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 12717179, 25434358, 63585895, 127171790, 139888969, 279777938, 699444845, 1398889690]

約数ペア:

[(1, 1398889690), (2, 699444845), (5, 279777938), (10, 139888969), (11, 127171790), (22, 63585895), (55, 25434358), (110, 12717179)]