405812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 810432

約数和(自身を除く): 404620

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 401, 506, 802, 1012, 1604, 4411, 8822, 9223, 17644, 18446, 36892, 101453, 202906, 405812]

約数ペア:

[(1, 405812), (2, 202906), (4, 101453), (11, 36892), (22, 18446), (23, 17644), (44, 9223), (46, 8822), (92, 4411), (253, 1604), (401, 1012), (506, 802)]