68719210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{981703}}^1$

素因数の和:981717

約数の個数: 16

約数和(自身を含む): 141365376

約数和(自身を除く): 72646166

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 981703, 1963406, 4908515, 6871921, 9817030, 13743842, 34359605, 68719210]

約数ペア:

[(1, 68719210), (2, 34359605), (5, 13743842), (7, 9817030), (10, 6871921), (14, 4908515), (35, 1963406), (70, 981703)]