81057844

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{18439}}^1$

素因数の和:18607

約数の個数: 24

約数和(自身を含む): 163157120

約数和(自身を除く): 82099276

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 18439, 36878, 73756, 129073, 258146, 516292, 2894923, 5789846, 11579692, 20264461, 40528922, 81057844]

約数ペア:

[(1, 81057844), (2, 40528922), (4, 20264461), (7, 11579692), (14, 5789846), (28, 2894923), (157, 516292), (314, 258146), (628, 129073), (1099, 73756), (2198, 36878), (4396, 18439)]