209931918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{23689}}^1$

素因数の和:23912

約数の個数: 32

約数和(自身を含む): 482138880

約数和(自身を除く): 272206962

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 211, 422, 633, 1266, 1477, 2954, 4431, 8862, 23689, 47378, 71067, 142134, 165823, 331646, 497469, 994938, 4998379, 9996758, 14995137, 29990274, 34988653, 69977306, 104965959, 209931918]

約数ペア:

[(1, 209931918), (2, 104965959), (3, 69977306), (6, 34988653), (7, 29990274), (14, 14995137), (21, 9996758), (42, 4998379), (211, 994938), (422, 497469), (633, 331646), (1266, 165823), (1477, 142134), (2954, 71067), (4431, 47378), (8862, 23689)]