31978216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2083}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 63770400

約数和(自身を除く): 31792184

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1919, 2083, 3838, 4166, 7676, 8332, 15352, 16664, 39577, 79154, 158308, 210383, 316616, 420766, 841532, 1683064, 3997277, 7994554, 15989108, 31978216]

約数ペア:

[(1, 31978216), (2, 15989108), (4, 7994554), (8, 3997277), (19, 1683064), (38, 841532), (76, 420766), (101, 316616), (152, 210383), (202, 158308), (404, 79154), (808, 39577), (1919, 16664), (2083, 15352), (3838, 8332), (4166, 7676)]