128397438

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{548707}}^1$

素因数の和:548728

約数の個数: 24

約数和(自身を含む): 299594568

約数和(自身を除く): 171197130

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 548707, 1097414, 1646121, 3292242, 4938363, 7133191, 9876726, 14266382, 21399573, 42799146, 64198719, 128397438]

約数ペア:

[(1, 128397438), (2, 64198719), (3, 42799146), (6, 21399573), (9, 14266382), (13, 9876726), (18, 7133191), (26, 4938363), (39, 3292242), (78, 1646121), (117, 1097414), (234, 548707)]