128207464

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{208129}}^1$

素因数の和:208153

約数の個数: 32

約数和(自身を含む): 299707200

約数和(自身を除く): 171499736

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 208129, 416258, 832516, 1456903, 1665032, 2289419, 2913806, 4578838, 5827612, 9157676, 11655224, 16025933, 18315352, 32051866, 64103732, 128207464]

約数ペア:

[(1, 128207464), (2, 64103732), (4, 32051866), (7, 18315352), (8, 16025933), (11, 11655224), (14, 9157676), (22, 5827612), (28, 4578838), (44, 2913806), (56, 2289419), (77, 1665032), (88, 1456903), (154, 832516), (308, 416258), (616, 208129)]