68869988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{19813}}^1$

素因数の和:19907

約数の個数: 24

約数和(自身を含む): 133150080

約数和(自身を除く): 64280092

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 19813, 39626, 79252, 217943, 435886, 871772, 1565227, 3130454, 6260908, 17217497, 34434994, 68869988]

約数ペア:

[(1, 68869988), (2, 34434994), (4, 17217497), (11, 6260908), (22, 3130454), (44, 1565227), (79, 871772), (158, 435886), (316, 217943), (869, 79252), (1738, 39626), (3476, 19813)]