389444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 762048

約数和(自身を除く): 372604

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 167, 212, 334, 583, 668, 1166, 1837, 2332, 3674, 7348, 8851, 17702, 35404, 97361, 194722, 389444]

約数ペア:

[(1, 389444), (2, 194722), (4, 97361), (11, 35404), (22, 17702), (44, 8851), (53, 7348), (106, 3674), (167, 2332), (212, 1837), (334, 1166), (583, 668)]