208545008

素因数分解:

$2^4\times 7^1\times {\mathrm{1862009}}^1$

素因数の和:1862024

約数の個数: 20

約数和(自身を含む): 461778480

約数和(自身を除く): 253233472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1862009, 3724018, 7448036, 13034063, 14896072, 26068126, 29792144, 52136252, 104272504, 208545008]

約数ペア:

[(1, 208545008), (2, 104272504), (4, 52136252), (7, 29792144), (8, 26068126), (14, 14896072), (16, 13034063), (28, 7448036), (56, 3724018), (112, 1862009)]