208512670655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{6353}}^1\times {\mathrm{386131}}^1$

素因数の和:392506

約数の個数: 16

約数和(自身を含む): 264976134624

約数和(自身を除く): 56463463969

約数列:

[1, 5, 17, 85, 6353, 31765, 108001, 386131, 540005, 1930655, 6564227, 32821135, 2453090243, 12265451215, 41702534131, 208512670655]

約数ペア:

[(1, 208512670655), (5, 41702534131), (17, 12265451215), (85, 2453090243), (6353, 32821135), (31765, 6564227), (108001, 1930655), (386131, 540005)]