205910012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{668539}}^1$

素因数の和:668561

約数の個数: 24

約数和(自身を含む): 449258880

約数和(自身を除く): 243348868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 668539, 1337078, 2674156, 4679773, 7353929, 9359546, 14707858, 18719092, 29415716, 51477503, 102955006, 205910012]

約数ペア:

[(1, 205910012), (2, 102955006), (4, 51477503), (7, 29415716), (11, 18719092), (14, 14707858), (22, 9359546), (28, 7353929), (44, 4679773), (77, 2674156), (154, 1337078), (308, 668539)]