858871892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{28771}}^1$

素因数の和:29231

約数の個数: 24

約数和(自身を含む): 1595119680

約数和(自身を除く): 736247788

約数列:

[1, 2, 4, 17, 34, 68, 439, 878, 1756, 7463, 14926, 28771, 29852, 57542, 115084, 489107, 978214, 1956428, 12630469, 25260938, 50521876, 214717973, 429435946, 858871892]

約数ペア:

[(1, 858871892), (2, 429435946), (4, 214717973), (17, 50521876), (34, 25260938), (68, 12630469), (439, 1956428), (878, 978214), (1756, 489107), (7463, 115084), (14926, 57542), (28771, 29852)]