2800908

素因数分解:

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

素因数の和:675

約数の個数: 54

約数和(自身を含む): 7794332

約数和(自身を除く): 4993424

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 643, 726, 1089, 1286, 1452, 1929, 2178, 2572, 3858, 4356, 5787, 7073, 7716, 11574, 14146, 21219, 23148, 28292, 42438, 63657, 77803, 84876, 127314, 155606, 233409, 254628, 311212, 466818, 700227, 933636, 1400454, 2800908]

約数ペア:

[(1, 2800908), (2, 1400454), (3, 933636), (4, 700227), (6, 466818), (9, 311212), (11, 254628), (12, 233409), (18, 155606), (22, 127314), (33, 84876), (36, 77803), (44, 63657), (66, 42438), (99, 28292), (121, 23148), (132, 21219), (198, 14146), (242, 11574), (363, 7716), (396, 7073), (484, 5787), (643, 4356), (726, 3858), (1089, 2572), (1286, 2178), (1452, 1929)]