389956

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 822080

約数和(自身を除く): 432124

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 733, 1466, 2932, 5131, 10262, 13927, 20524, 27854, 55708, 97489, 194978, 389956]

約数ペア:

[(1, 389956), (2, 194978), (4, 97489), (7, 55708), (14, 27854), (19, 20524), (28, 13927), (38, 10262), (76, 5131), (133, 2932), (266, 1466), (532, 733)]