81106190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{2741}}^1$

素因数の和:3028

約数の個数: 32

約数和(自身を含む): 159913440

約数和(自身を除く): 78807250

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 269, 538, 1345, 2690, 2741, 2959, 5482, 5918, 13705, 14795, 27410, 29590, 30151, 60302, 150755, 301510, 737329, 1474658, 3686645, 7373290, 8110619, 16221238, 40553095, 81106190]

約数ペア:

[(1, 81106190), (2, 40553095), (5, 16221238), (10, 8110619), (11, 7373290), (22, 3686645), (55, 1474658), (110, 737329), (269, 301510), (538, 150755), (1345, 60302), (2690, 30151), (2741, 29590), (2959, 27410), (5482, 14795), (5918, 13705)]