254628

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 703248

約数和(自身を除く): 448620

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 643, 1286, 1929, 2572, 3858, 5787, 7073, 7716, 11574, 14146, 21219, 23148, 28292, 42438, 63657, 84876, 127314, 254628]

約数ペア:

[(1, 254628), (2, 127314), (3, 84876), (4, 63657), (6, 42438), (9, 28292), (11, 23148), (12, 21219), (18, 14146), (22, 11574), (33, 7716), (36, 7073), (44, 5787), (66, 3858), (99, 2572), (132, 1929), (198, 1286), (396, 643)]