280857874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{131611}}^1$

素因数の和:131721

約数の個数: 16

約数和(自身を含む): 464327136

約数和(自身を除く): 183469262

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 131611, 263222, 1447721, 2895442, 12766267, 25532534, 140428937, 280857874]

約数ペア:

[(1, 280857874), (2, 140428937), (11, 25532534), (22, 12766267), (97, 2895442), (194, 1447721), (1067, 263222), (2134, 131611)]