166665448

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{2237}}^1$

素因数の和:2449

約数の個数: 32

約数和(自身を含む): 319586400

約数和(自身を除く): 152920952

約数列:

[1, 2, 4, 8, 67, 134, 139, 268, 278, 536, 556, 1112, 2237, 4474, 8948, 9313, 17896, 18626, 37252, 74504, 149879, 299758, 310943, 599516, 621886, 1199032, 1243772, 2487544, 20833181, 41666362, 83332724, 166665448]

約数ペア:

[(1, 166665448), (2, 83332724), (4, 41666362), (8, 20833181), (67, 2487544), (134, 1243772), (139, 1199032), (268, 621886), (278, 599516), (536, 310943), (556, 299758), (1112, 149879), (2237, 74504), (4474, 37252), (8948, 18626), (9313, 17896)]