399324352

素因数分解:

$2^6\times 7^1\times {\mathrm{891349}}^1$

素因数の和:891368

約数の個数: 28

約数和(自身を含む): 905611600

約数和(自身を除く): 506287248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 891349, 1782698, 3565396, 6239443, 7130792, 12478886, 14261584, 24957772, 28523168, 49915544, 57046336, 99831088, 199662176, 399324352]

約数ペア:

[(1, 399324352), (2, 199662176), (4, 99831088), (7, 57046336), (8, 49915544), (14, 28523168), (16, 24957772), (28, 14261584), (32, 12478886), (56, 7130792), (64, 6239443), (112, 3565396), (224, 1782698), (448, 891349)]