2640426

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2803}}^1$

素因数の和:2965

約数の個数: 16

約数和(自身を含む): 5316384

約数和(自身を除く): 2675958

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 2803, 5606, 8409, 16818, 440071, 880142, 1320213, 2640426]

約数ペア:

[(1, 2640426), (2, 1320213), (3, 880142), (6, 440071), (157, 16818), (314, 8409), (471, 5606), (942, 2803)]