338978815

素因数分解:

$5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{4889}}^1$

素因数の和:5191

約数の個数: 24

約数和(自身を含む): 474955920

約数和(自身を除く): 135977105

約数列:

[1, 5, 7, 35, 49, 245, 283, 1415, 1981, 4889, 9905, 13867, 24445, 34223, 69335, 171115, 239561, 1197805, 1383587, 6917935, 9685109, 48425545, 67795763, 338978815]

約数ペア:

[(1, 338978815), (5, 67795763), (7, 48425545), (35, 9685109), (49, 6917935), (245, 1383587), (283, 1197805), (1415, 239561), (1981, 171115), (4889, 69335), (9905, 34223), (13867, 24445)]