200809442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{283}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 323896320

約数和(自身を除く): 123086878

約数列:

[1, 2, 19, 38, 71, 142, 263, 283, 526, 566, 1349, 2698, 4997, 5377, 9994, 10754, 18673, 20093, 37346, 40186, 74429, 148858, 354787, 381767, 709574, 763534, 1414151, 2828302, 5284459, 10568918, 100404721, 200809442]

約数ペア:

[(1, 200809442), (2, 100404721), (19, 10568918), (38, 5284459), (71, 2828302), (142, 1414151), (263, 763534), (283, 709574), (526, 381767), (566, 354787), (1349, 148858), (2698, 74429), (4997, 40186), (5377, 37346), (9994, 20093), (10754, 18673)]