978017761

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{52903}}^1$

素因数の和:53068

約数の個数: 16

約数和(自身を含む): 1185049600

約数和(自身を除く): 207031839

約数列:

[1, 7, 19, 133, 139, 973, 2641, 18487, 52903, 370321, 1005157, 7036099, 7353517, 51474619, 139716823, 978017761]

約数ペア:

[(1, 978017761), (7, 139716823), (19, 51474619), (133, 7353517), (139, 7036099), (973, 1005157), (2641, 370321), (18487, 52903)]