639012.0000000

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1173

約数の個数: 16

約数和(自身を含む): 10897920

約数和(自身を除く): 3930422

約数列:

[1, 2, 31, 62, 109, 218, 1031, 2062, 3379, 6758, 31961, 63922, 112379, 224758, 3483749, 6967498]

約数ペア:

[(1, 6967498), (2, 3483749), (31, 224758), (62, 112379), (109, 63922), (218, 31961), (1031, 6758), (2062, 3379)]