1559690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1289}}^1$

素因数の和:1318

約数の個数: 24

約数和(自身を含む): 3088260

約数和(自身を除く): 1528570

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1289, 2578, 6445, 12890, 14179, 28358, 70895, 141790, 155969, 311938, 779845, 1559690]

約数ペア:

[(1, 1559690), (2, 779845), (5, 311938), (10, 155969), (11, 141790), (22, 70895), (55, 28358), (110, 14179), (121, 12890), (242, 6445), (605, 2578), (1210, 1289)]