206470278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1638653}}^1$

素因数の和:1638668

約数の個数: 24

約数和(自身を含む): 511260048

約数和(自身を除く): 304789770

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1638653, 3277306, 4915959, 9831918, 11470571, 14747877, 22941142, 29495754, 34411713, 68823426, 103235139, 206470278]

約数ペア:

[(1, 206470278), (2, 103235139), (3, 68823426), (6, 34411713), (7, 29495754), (9, 22941142), (14, 14747877), (18, 11470571), (21, 9831918), (42, 4915959), (63, 3277306), (126, 1638653)]