205380644

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{178903}}^1$

素因数の和:178955

約数の個数: 24

約数和(自身を含む): 420782208

約数和(自身を除く): 215401564

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 178903, 357806, 715612, 1252321, 2504642, 5009284, 7335023, 14670046, 29340092, 51345161, 102690322, 205380644]

約数ペア:

[(1, 205380644), (2, 102690322), (4, 51345161), (7, 29340092), (14, 14670046), (28, 7335023), (41, 5009284), (82, 2504642), (164, 1252321), (287, 715612), (574, 357806), (1148, 178903)]