1908973385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{1667}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 2559485952

約数和(自身を除く): 650512567

約数列:

[1, 5, 11, 47, 55, 235, 443, 517, 1667, 2215, 2585, 4873, 8335, 18337, 20821, 24365, 78349, 91685, 104105, 229031, 391745, 738481, 861839, 1145155, 3692405, 4309195, 8123291, 34708607, 40616455, 173543035, 381794677, 1908973385]

約数ペア:

[(1, 1908973385), (5, 381794677), (11, 173543035), (47, 40616455), (55, 34708607), (235, 8123291), (443, 4309195), (517, 3692405), (1667, 1145155), (2215, 861839), (2585, 738481), (4873, 391745), (8335, 229031), (18337, 104105), (20821, 91685), (24365, 78349)]