890239212

素因数分解:

$2^2\times 3^2\times {\mathrm{1237}}^1\times {\mathrm{19991}}^1$

素因数の和:21238

約数の個数: 36

約数和(自身を含む): 2252258736

約数和(自身を除く): 1362019524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1237, 2474, 3711, 4948, 7422, 11133, 14844, 19991, 22266, 39982, 44532, 59973, 79964, 119946, 179919, 239892, 359838, 719676, 24728867, 49457734, 74186601, 98915468, 148373202, 222559803, 296746404, 445119606, 890239212]

約数ペア:

[(1, 890239212), (2, 445119606), (3, 296746404), (4, 222559803), (6, 148373202), (9, 98915468), (12, 74186601), (18, 49457734), (36, 24728867), (1237, 719676), (2474, 359838), (3711, 239892), (4948, 179919), (7422, 119946), (11133, 79964), (14844, 59973), (19991, 44532), (22266, 39982)]