257752278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{2045653}}^1$

素因数の和:2045668

約数の個数: 24

約数和(自身を含む): 638244048

約数和(自身を除く): 380491770

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 2045653, 4091306, 6136959, 12273918, 14319571, 18410877, 28639142, 36821754, 42958713, 85917426, 128876139, 257752278]

約数ペア:

[(1, 257752278), (2, 128876139), (3, 85917426), (6, 42958713), (7, 36821754), (9, 28639142), (14, 18410877), (18, 14319571), (21, 12273918), (42, 6136959), (63, 4091306), (126, 2045653)]