840202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:405

約数の個数: 16

約数和(自身を含む): 1389024

約数和(自身を除く): 548822

約数列:

[1, 2, 11, 22, 181, 211, 362, 422, 1991, 2321, 3982, 4642, 38191, 76382, 420101, 840202]

約数ペア:

[(1, 840202), (2, 420101), (11, 76382), (22, 38191), (181, 4642), (211, 3982), (362, 2321), (422, 1991)]