2017779830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{495769}}^1$

素因数の和:495824

約数の個数: 32

約数和(自身を含む): 4069280160

約数和(自身を除く): 2051500330

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 495769, 991538, 2478845, 4957690, 5453459, 10906918, 18343453, 27267295, 36686906, 54534590, 91717265, 183434530, 201777983, 403555966, 1008889915, 2017779830]

約数ペア:

[(1, 2017779830), (2, 1008889915), (5, 403555966), (10, 201777983), (11, 183434530), (22, 91717265), (37, 54534590), (55, 36686906), (74, 27267295), (110, 18343453), (185, 10906918), (370, 5453459), (407, 4957690), (814, 2478845), (2035, 991538), (4070, 495769)]