640053686

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{1559}}^1\times {\mathrm{1567}}^1$

素因数の和:3259

約数の個数: 16

約数和(自身を含む): 968647680

約数和(自身を除く): 328593994

約数列:

[1, 2, 131, 262, 1559, 1567, 3118, 3134, 204229, 205277, 408458, 410554, 2442953, 4885906, 320026843, 640053686]

約数ペア:

[(1, 640053686), (2, 320026843), (131, 4885906), (262, 2442953), (1559, 410554), (1567, 408458), (3118, 205277), (3134, 204229)]