386578199

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{991}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 474969600

約数和(自身を除く): 88391401

約数列:

[1, 7, 19, 49, 133, 419, 931, 991, 2933, 6937, 7961, 18829, 20531, 48559, 55727, 131803, 390089, 415229, 922621, 2906603, 7889351, 20346221, 55225457, 386578199]

約数ペア:

[(1, 386578199), (7, 55225457), (19, 20346221), (49, 7889351), (133, 2906603), (419, 922621), (931, 415229), (991, 390089), (2933, 131803), (6937, 55727), (7961, 48559), (18829, 20531)]