81201638

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{599}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 145843200

約数和(自身を除く): 64641562

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 421, 599, 842, 1198, 2947, 4193, 5894, 8386, 9683, 13777, 19366, 27554, 67781, 96439, 135562, 192878, 252179, 504358, 1765253, 3530506, 5800117, 11600234, 40600819, 81201638]

約数ペア:

[(1, 81201638), (2, 40600819), (7, 11600234), (14, 5800117), (23, 3530506), (46, 1765253), (161, 504358), (322, 252179), (421, 192878), (599, 135562), (842, 96439), (1198, 67781), (2947, 27554), (4193, 19366), (5894, 13777), (8386, 9683)]