127429988

素因数分解:

$2^2\times 7^3\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 262416000

約数和(自身を除く): 134986012

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 343, 524, 686, 709, 917, 1372, 1418, 1834, 2836, 3668, 4963, 6419, 9926, 12838, 19852, 25676, 34741, 44933, 69482, 89866, 92879, 138964, 179732, 185758, 243187, 371516, 486374, 650153, 972748, 1300306, 2600612, 4551071, 9102142, 18204284, 31857497, 63714994, 127429988]

約数ペア:

[(1, 127429988), (2, 63714994), (4, 31857497), (7, 18204284), (14, 9102142), (28, 4551071), (49, 2600612), (98, 1300306), (131, 972748), (196, 650153), (262, 486374), (343, 371516), (524, 243187), (686, 185758), (709, 179732), (917, 138964), (1372, 92879), (1418, 89866), (1834, 69482), (2836, 44933), (3668, 34741), (4963, 25676), (6419, 19852), (9926, 12838)]