206512866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1638991}}^1$

素因数の和:1639006

約数の個数: 24

約数和(自身を含む): 511365504

約数和(自身を除く): 304852638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1638991, 3277982, 4916973, 9833946, 11472937, 14750919, 22945874, 29501838, 34418811, 68837622, 103256433, 206512866]

約数ペア:

[(1, 206512866), (2, 103256433), (3, 68837622), (6, 34418811), (7, 29501838), (9, 22945874), (14, 14750919), (18, 11472937), (21, 9833946), (42, 4916973), (63, 3277982), (126, 1638991)]