639696534

素因数分解:

$2^1\times 3^1\times {\mathrm{1319}}^1\times {\mathrm{80831}}^1$

素因数の和:82155

約数の個数: 16

約数和(自身を含む): 1280378880

約数和(自身を除く): 640682346

約数列:

[1, 2, 3, 6, 1319, 2638, 3957, 7914, 80831, 161662, 242493, 484986, 106616089, 213232178, 319848267, 639696534]

約数ペア:

[(1, 639696534), (2, 319848267), (3, 213232178), (6, 106616089), (1319, 484986), (2638, 242493), (3957, 161662), (7914, 80831)]