620463985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{463}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 799653888

約数和(自身を除く): 179189903

約数列:

[1, 5, 23, 43, 115, 215, 271, 463, 989, 1355, 2315, 4945, 6233, 10649, 11653, 19909, 31165, 53245, 58265, 99545, 125473, 268019, 457907, 627365, 1340095, 2289535, 2885879, 5395339, 14429395, 26976695, 124092797, 620463985]

約数ペア:

[(1, 620463985), (5, 124092797), (23, 26976695), (43, 14429395), (115, 5395339), (215, 2885879), (271, 2289535), (463, 1340095), (989, 627365), (1355, 457907), (2315, 268019), (4945, 125473), (6233, 99545), (10649, 58265), (11653, 53245), (19909, 31165)]