81259934

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{6529}}^1$

素因数の和:6672

約数の個数: 24

約数和(自身を含む): 142928640

約数和(自身を除く): 61668706

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1778, 6223, 6529, 12446, 13058, 45703, 91406, 319921, 639842, 829183, 1658366, 5804281, 11608562, 40629967, 81259934]

約数ペア:

[(1, 81259934), (2, 40629967), (7, 11608562), (14, 5804281), (49, 1658366), (98, 829183), (127, 639842), (254, 319921), (889, 91406), (1778, 45703), (6223, 13058), (6529, 12446)]