28601251

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 36188160

約数和(自身を除く): 7586909

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 931, 991, 1519, 4123, 6937, 18829, 28861, 30721, 48559, 131803, 215047, 583699, 922621, 1505329, 4085893, 28601251]

約数ペア:

[(1, 28601251), (7, 4085893), (19, 1505329), (31, 922621), (49, 583699), (133, 215047), (217, 131803), (589, 48559), (931, 30721), (991, 28861), (1519, 18829), (4123, 6937)]