81586808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2281}}^1$

素因数の和:2567

約数の個数: 32

約数和(自身を含む): 162660960

約数和(自身を除く): 81074152

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 263, 526, 1052, 2104, 2281, 4471, 4562, 8942, 9124, 17884, 18248, 35768, 38777, 77554, 155108, 310216, 599903, 1199806, 2399612, 4799224, 10198351, 20396702, 40793404, 81586808]

約数ペア:

[(1, 81586808), (2, 40793404), (4, 20396702), (8, 10198351), (17, 4799224), (34, 2399612), (68, 1199806), (136, 599903), (263, 310216), (526, 155108), (1052, 77554), (2104, 38777), (2281, 35768), (4471, 18248), (4562, 17884), (8942, 9124)]