129952888

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 265562280

約数和(自身を除く): 135609392

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 277, 338, 347, 554, 676, 694, 1108, 1352, 1388, 2216, 2776, 3601, 4511, 7202, 9022, 14404, 18044, 28808, 36088, 46813, 58643, 93626, 96119, 117286, 187252, 192238, 234572, 374504, 384476, 469144, 768952, 1249547, 2499094, 4998188, 9996376, 16244111, 32488222, 64976444, 129952888]

約数ペア:

[(1, 129952888), (2, 64976444), (4, 32488222), (8, 16244111), (13, 9996376), (26, 4998188), (52, 2499094), (104, 1249547), (169, 768952), (277, 469144), (338, 384476), (347, 374504), (554, 234572), (676, 192238), (694, 187252), (1108, 117286), (1352, 96119), (1388, 93626), (2216, 58643), (2776, 46813), (3601, 36088), (4511, 28808), (7202, 18044), (9022, 14404)]