28903525

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 43997184

約数和(自身を除く): 15093659

約数列:

[1, 5, 7, 23, 25, 35, 43, 115, 161, 167, 175, 215, 301, 575, 805, 835, 989, 1075, 1169, 1505, 3841, 4025, 4175, 4945, 5845, 6923, 7181, 7525, 19205, 24725, 26887, 29225, 34615, 35905, 50267, 96025, 134435, 165163, 173075, 179525, 251335, 672175, 825815, 1156141, 1256675, 4129075, 5780705, 28903525]

約数ペア:

[(1, 28903525), (5, 5780705), (7, 4129075), (23, 1256675), (25, 1156141), (35, 825815), (43, 672175), (115, 251335), (161, 179525), (167, 173075), (175, 165163), (215, 134435), (301, 96025), (575, 50267), (805, 35905), (835, 34615), (989, 29225), (1075, 26887), (1169, 24725), (1505, 19205), (3841, 7525), (4025, 7181), (4175, 6923), (4945, 5845)]