68987906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71713}}^1$

素因数の和:71765

約数の個数: 16

約数和(自身を含む): 114455544

約数和(自身を除く): 45467638

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 71713, 143426, 932269, 1864538, 2653381, 5306762, 34493953, 68987906]

約数ペア:

[(1, 68987906), (2, 34493953), (13, 5306762), (26, 2653381), (37, 1864538), (74, 932269), (481, 143426), (962, 71713)]