257162542

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1412981}}^1$

素因数の和:1413003

約数の個数: 16

約数和(自身を含む): 474761952

約数和(自身を除く): 217599410

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 1412981, 2825962, 9890867, 18368753, 19781734, 36737506, 128581271, 257162542]

約数ペア:

[(1, 257162542), (2, 128581271), (7, 36737506), (13, 19781734), (14, 18368753), (26, 9890867), (91, 2825962), (182, 1412981)]