278325008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1338101}}^1$

素因数の和:1338122

約数の個数: 20

約数和(自身を含む): 580736268

約数和(自身を除く): 302411260

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1338101, 2676202, 5352404, 10704808, 17395313, 21409616, 34790626, 69581252, 139162504, 278325008]

約数ペア:

[(1, 278325008), (2, 139162504), (4, 69581252), (8, 34790626), (13, 21409616), (16, 17395313), (26, 10704808), (52, 5352404), (104, 2676202), (208, 1338101)]