180117812

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{207509}}^1$

素因数の和:207551

約数の個数: 24

約数和(自身を含む): 371857920

約数和(自身を除く): 191740108

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 207509, 415018, 830036, 1452563, 2905126, 5810252, 6432779, 12865558, 25731116, 45029453, 90058906, 180117812]

約数ペア:

[(1, 180117812), (2, 90058906), (4, 45029453), (7, 25731116), (14, 12865558), (28, 6432779), (31, 5810252), (62, 2905126), (124, 1452563), (217, 830036), (434, 415018), (868, 207509)]