81231610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{16477}}^1$

素因数の和:16530

約数の個数: 32

約数和(自身を含む): 160166160

約数和(自身を除く): 78934550

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 16477, 32954, 82385, 164770, 280109, 477833, 560218, 955666, 1400545, 2389165, 2801090, 4778330, 8123161, 16246322, 40615805, 81231610]

約数ペア:

[(1, 81231610), (2, 40615805), (5, 16246322), (10, 8123161), (17, 4778330), (29, 2801090), (34, 2389165), (58, 1400545), (85, 955666), (145, 560218), (170, 477833), (290, 280109), (493, 164770), (986, 82385), (2465, 32954), (4930, 16477)]