81751894

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{17749}}^1$

素因数の和:17812

約数の個数: 24

約数和(自身を含む): 145692000

約数和(自身を除く): 63940106

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 658, 2303, 4606, 17749, 35498, 124243, 248486, 834203, 869701, 1668406, 1739402, 5839421, 11678842, 40875947, 81751894]

約数ペア:

[(1, 81751894), (2, 40875947), (7, 11678842), (14, 5839421), (47, 1739402), (49, 1668406), (94, 869701), (98, 834203), (329, 248486), (658, 124243), (2303, 35498), (4606, 17749)]