401349767

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 510720000

約数和(自身を除く): 109370233

約数列:

[1, 7, 13, 37, 91, 199, 259, 481, 599, 1393, 2587, 3367, 4193, 7363, 7787, 18109, 22163, 51541, 54509, 95719, 119201, 155141, 288119, 670033, 834407, 1549613, 2016833, 4410437, 10847291, 30873059, 57335681, 401349767]

約数ペア:

[(1, 401349767), (7, 57335681), (13, 30873059), (37, 10847291), (91, 4410437), (199, 2016833), (259, 1549613), (481, 834407), (599, 670033), (1393, 288119), (2587, 155141), (3367, 119201), (4193, 95719), (7363, 54509), (7787, 51541), (18109, 22163)]