2145442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 32

約数和(自身を含む): 3769920

約数和(自身を除く): 1624478

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 101, 202, 247, 494, 559, 817, 1118, 1313, 1634, 1919, 2626, 3838, 4343, 8686, 10621, 21242, 24947, 49894, 56459, 82517, 112918, 165034, 1072721, 2145442]

約数ペア:

[(1, 2145442), (2, 1072721), (13, 165034), (19, 112918), (26, 82517), (38, 56459), (43, 49894), (86, 24947), (101, 21242), (202, 10621), (247, 8686), (494, 4343), (559, 3838), (817, 2626), (1118, 1919), (1313, 1634)]