861136

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:618

約数の個数: 20

約数和(自身を含む): 1687392

約数和(自身を除く): 826256

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 503, 856, 1006, 1712, 2012, 4024, 8048, 53821, 107642, 215284, 430568, 861136]

約数ペア:

[(1, 861136), (2, 430568), (4, 215284), (8, 107642), (16, 53821), (107, 8048), (214, 4024), (428, 2012), (503, 1712), (856, 1006)]