870865289

素因数分解:

$7^2\times {\mathrm{127}}^1\times {\mathrm{139943}}^1$

素因数の和:140084

約数の個数: 12

約数和(自身を含む): 1021031424

約数和(自身を除く): 150166135

約数列:

[1, 7, 49, 127, 889, 6223, 139943, 979601, 6857207, 17772761, 124409327, 870865289]

約数ペア:

[(1, 870865289), (7, 124409327), (49, 17772761), (127, 6857207), (889, 979601), (6223, 139943)]