2638042

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{991}}^1$

素因数の和:1026

約数の個数: 16

約数和(自身を含む): 4356864

約数和(自身を除く): 1718822

約数列:

[1, 2, 11, 22, 121, 242, 991, 1331, 1982, 2662, 10901, 21802, 119911, 239822, 1319021, 2638042]

約数ペア:

[(1, 2638042), (2, 1319021), (11, 239822), (22, 119911), (121, 21802), (242, 10901), (991, 2662), (1331, 1982)]