2640605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 3544128

約数和(自身を除く): 903523

約数列:

[1, 5, 11, 41, 55, 205, 451, 1171, 2255, 5855, 12881, 48011, 64405, 240055, 528121, 2640605]

約数ペア:

[(1, 2640605), (5, 528121), (11, 240055), (41, 64405), (55, 48011), (205, 12881), (451, 5855), (1171, 2255)]