639001552

素因数分解:

$2^4\times 7^2\times {\mathrm{815053}}^1$

素因数の和:815075

約数の個数: 30

約数和(自身を含む): 1440200418

約数和(自身を除く): 801198866

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 815053, 1630106, 3260212, 5705371, 6520424, 11410742, 13040848, 22821484, 39937597, 45642968, 79875194, 91285936, 159750388, 319500776, 639001552]

約数ペア:

[(1, 639001552), (2, 319500776), (4, 159750388), (7, 91285936), (8, 79875194), (14, 45642968), (16, 39937597), (28, 22821484), (49, 13040848), (56, 11410742), (98, 6520424), (112, 5705371), (196, 3260212), (392, 1630106), (784, 815053)]