28397761

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1433}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 34416000

約数和(自身を除く): 6018239

約数列:

[1, 7, 19, 133, 149, 1043, 1433, 2831, 10031, 19817, 27227, 190589, 213517, 1494619, 4056823, 28397761]

約数ペア:

[(1, 28397761), (7, 4056823), (19, 1494619), (133, 213517), (149, 190589), (1043, 27227), (1433, 19817), (2831, 10031)]