66375890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{135461}}^1$

素因数の和:135482

約数の個数: 24

約数和(自身を含む): 138984012

約数和(自身を除く): 72608122

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 135461, 270922, 677305, 948227, 1354610, 1896454, 4741135, 6637589, 9482270, 13275178, 33187945, 66375890]

約数ペア:

[(1, 66375890), (2, 33187945), (5, 13275178), (7, 9482270), (10, 6637589), (14, 4741135), (35, 1896454), (49, 1354610), (70, 948227), (98, 677305), (245, 270922), (490, 135461)]