289789864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{398063}}^1$

素因数の和:398089

約数の個数: 32

約数和(自身を含む): 668747520

約数和(自身を除く): 378957656

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 398063, 796126, 1592252, 2786441, 3184504, 5174819, 5572882, 10349638, 11145764, 20699276, 22291528, 36223733, 41398552, 72447466, 144894932, 289789864]

約数ペア:

[(1, 289789864), (2, 144894932), (4, 72447466), (7, 41398552), (8, 36223733), (13, 22291528), (14, 20699276), (26, 11145764), (28, 10349638), (52, 5572882), (56, 5174819), (91, 3184504), (104, 2786441), (182, 1592252), (364, 796126), (728, 398063)]