66871588

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{77041}}^1$

素因数の和:77083

約数の個数: 24

約数和(自身を含む): 138059264

約数和(自身を除く): 71187676

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 77041, 154082, 308164, 539287, 1078574, 2157148, 2388271, 4776542, 9553084, 16717897, 33435794, 66871588]

約数ペア:

[(1, 66871588), (2, 33435794), (4, 16717897), (7, 9553084), (14, 4776542), (28, 2388271), (31, 2157148), (62, 1078574), (124, 539287), (217, 308164), (434, 154082), (868, 77041)]