20161363985

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3637}}^1\times {\mathrm{3863}}^1$

素因数の和:7553

約数の個数: 32

約数和(自身を含む): 28339379712

約数和(自身を除く): 8178015727

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 3637, 3863, 18185, 19315, 25459, 27041, 127295, 135205, 149117, 158383, 745585, 791915, 1043819, 1108681, 5219095, 5543405, 14049731, 70248655, 98348117, 491740585, 576038971, 2880194855, 4032272797, 20161363985]

約数ペア:

[(1, 20161363985), (5, 4032272797), (7, 2880194855), (35, 576038971), (41, 491740585), (205, 98348117), (287, 70248655), (1435, 14049731), (3637, 5543405), (3863, 5219095), (18185, 1108681), (19315, 1043819), (25459, 791915), (27041, 745585), (127295, 158383), (135205, 149117)]