399360052

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1097143}}^1$

素因数の和:1097167

約数の個数: 24

約数和(自身を含む): 860160896

約数和(自身を除く): 460800844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 1097143, 2194286, 4388572, 7680001, 14262859, 15360002, 28525718, 30720004, 57051436, 99840013, 199680026, 399360052]

約数ペア:

[(1, 399360052), (2, 199680026), (4, 99840013), (7, 57051436), (13, 30720004), (14, 28525718), (26, 15360002), (28, 14262859), (52, 7680001), (91, 4388572), (182, 2194286), (364, 1097143)]