20161110529

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{709}}^1\times {\mathrm{739}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 24210432000

約数和(自身を除く): 4049321471

約数列:

[1, 7, 23, 161, 239, 709, 739, 1673, 4963, 5173, 5497, 16307, 16997, 38479, 114149, 118979, 169451, 176621, 523951, 1186157, 1236347, 3667657, 3897373, 4062283, 12050873, 27281611, 28435981, 84356111, 125224289, 876570023, 2880158647, 20161110529]

約数ペア:

[(1, 20161110529), (7, 2880158647), (23, 876570023), (161, 125224289), (239, 84356111), (709, 28435981), (739, 27281611), (1673, 12050873), (4963, 4062283), (5173, 3897373), (5497, 3667657), (16307, 1236347), (16997, 1186157), (38479, 523951), (114149, 176621), (118979, 169451)]