661204336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{9161}}^1$

素因数の和:9529

約数の個数: 40

約数和(自身を含む): 1383755184

約数和(自身を除く): 722550848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 347, 694, 1388, 2776, 4511, 5552, 9022, 9161, 18044, 18322, 36088, 36644, 72176, 73288, 119093, 146576, 238186, 476372, 952744, 1905488, 3178867, 6357734, 12715468, 25430936, 41325271, 50861872, 82650542, 165301084, 330602168, 661204336]

約数ペア:

[(1, 661204336), (2, 330602168), (4, 165301084), (8, 82650542), (13, 50861872), (16, 41325271), (26, 25430936), (52, 12715468), (104, 6357734), (208, 3178867), (347, 1905488), (694, 952744), (1388, 476372), (2776, 238186), (4511, 146576), (5552, 119093), (9022, 73288), (9161, 72176), (18044, 36644), (18322, 36088)]