2189605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1028

約数の個数: 16

約数和(自身を含む): 2939328

約数和(自身を除く): 749723

約数列:

[1, 5, 11, 41, 55, 205, 451, 971, 2255, 4855, 10681, 39811, 53405, 199055, 437921, 2189605]

約数ペア:

[(1, 2189605), (5, 437921), (11, 199055), (41, 53405), (55, 39811), (205, 10681), (451, 4855), (971, 2255)]