257388014

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{5813}}^1$

素因数の和:5972

約数の個数: 24

約数和(自身を含む): 421328952

約数和(自身を除く): 163940938

約数列:

[1, 2, 13, 26, 131, 169, 262, 338, 1703, 3406, 5813, 11626, 22139, 44278, 75569, 151138, 761503, 982397, 1523006, 1964794, 9899539, 19799078, 128694007, 257388014]

約数ペア:

[(1, 257388014), (2, 128694007), (13, 19799078), (26, 9899539), (131, 1964794), (169, 1523006), (262, 982397), (338, 761503), (1703, 151138), (3406, 75569), (5813, 44278), (11626, 22139)]