289000439

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^2\times {\mathrm{461}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 360810912

約数和(自身を除く): 71810473

約数列:

[1, 7, 13, 83, 91, 461, 581, 1079, 3227, 5993, 6889, 7553, 38263, 41951, 48223, 89557, 267841, 497419, 626899, 3175829, 3481933, 22230803, 41285777, 289000439]

約数ペア:

[(1, 289000439), (7, 41285777), (13, 22230803), (83, 3481933), (91, 3175829), (461, 626899), (581, 497419), (1079, 267841), (3227, 89557), (5993, 48223), (6889, 41951), (7553, 38263)]