2149173008

素因数分解:

$2^4\times {\mathrm{1223}}^1\times {\mathrm{109831}}^1$

素因数の和:111062

約数の個数: 20

約数和(自身を含む): 4167465408

約数和(自身を除く): 2018292400

約数列:

[1, 2, 4, 8, 16, 1223, 2446, 4892, 9784, 19568, 109831, 219662, 439324, 878648, 1757296, 134323313, 268646626, 537293252, 1074586504, 2149173008]

約数ペア:

[(1, 2149173008), (2, 1074586504), (4, 537293252), (8, 268646626), (16, 134323313), (1223, 1757296), (2446, 878648), (4892, 439324), (9784, 219662), (19568, 109831)]