399454562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{64283}}^1$

素因数の和:64537

約数の個数: 16

約数和(自身を含む): 647982720

約数和(自身を除く): 248528158

約数列:

[1, 2, 13, 26, 239, 478, 3107, 6214, 64283, 128566, 835679, 1671358, 15363637, 30727274, 199727281, 399454562]

約数ペア:

[(1, 399454562), (2, 199727281), (13, 30727274), (26, 15363637), (239, 1671358), (478, 835679), (3107, 128566), (6214, 64283)]