84918890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{1979}}^1$

素因数の和:2606

約数の個数: 32

約数和(自身を含む): 175063680

約数和(自身を除く): 90144790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 613, 1226, 1979, 3065, 3958, 4291, 6130, 8582, 9895, 13853, 19790, 21455, 27706, 42910, 69265, 138530, 1213127, 2426254, 6065635, 8491889, 12131270, 16983778, 42459445, 84918890]

約数ペア:

[(1, 84918890), (2, 42459445), (5, 16983778), (7, 12131270), (10, 8491889), (14, 6065635), (35, 2426254), (70, 1213127), (613, 138530), (1226, 69265), (1979, 42910), (3065, 27706), (3958, 21455), (4291, 19790), (6130, 13853), (8582, 9895)]