31129616

素因数分解:

$2^4\times 7^1\times {\mathrm{499}}^1\times {\mathrm{557}}^1$

素因数の和:1071

約数の個数: 40

約数和(自身を含む): 69192000

約数和(自身を除く): 38062384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 499, 557, 998, 1114, 1996, 2228, 3493, 3899, 3992, 4456, 6986, 7798, 7984, 8912, 13972, 15596, 27944, 31192, 55888, 62384, 277943, 555886, 1111772, 1945601, 2223544, 3891202, 4447088, 7782404, 15564808, 31129616]

約数ペア:

[(1, 31129616), (2, 15564808), (4, 7782404), (7, 4447088), (8, 3891202), (14, 2223544), (16, 1945601), (28, 1111772), (56, 555886), (112, 277943), (499, 62384), (557, 55888), (998, 31192), (1114, 27944), (1996, 15596), (2228, 13972), (3493, 8912), (3899, 7984), (3992, 7798), (4456, 6986)]