31920568

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 61380000

約数和(自身を除く): 29459432

約数列:

[1, 2, 4, 8, 61, 122, 149, 244, 298, 439, 488, 596, 878, 1192, 1756, 3512, 9089, 18178, 26779, 36356, 53558, 65411, 72712, 107116, 130822, 214232, 261644, 523288, 3990071, 7980142, 15960284, 31920568]

約数ペア:

[(1, 31920568), (2, 15960284), (4, 7980142), (8, 3990071), (61, 523288), (122, 261644), (149, 214232), (244, 130822), (298, 107116), (439, 72712), (488, 65411), (596, 53558), (878, 36356), (1192, 26779), (1756, 18178), (3512, 9089)]