639478870

素因数分解:

$2^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{86533}}^1$

素因数の和:87279

約数の個数: 16

約数和(自身を含む): 1152632880

約数和(自身を除く): 513154010

約数列:

[1, 2, 5, 10, 739, 1478, 3695, 7390, 86533, 173066, 432665, 865330, 63947887, 127895774, 319739435, 639478870]

約数ペア:

[(1, 639478870), (2, 319739435), (5, 127895774), (10, 63947887), (739, 865330), (1478, 432665), (3695, 173066), (7390, 86533)]