138728746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{337}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 228953088

約数和(自身を除く): 90224342

約数列:

[1, 2, 13, 26, 71, 142, 223, 337, 446, 674, 923, 1846, 2899, 4381, 5798, 8762, 15833, 23927, 31666, 47854, 75151, 150302, 205829, 311051, 411658, 622102, 976963, 1953926, 5335721, 10671442, 69364373, 138728746]

約数ペア:

[(1, 138728746), (2, 69364373), (13, 10671442), (26, 5335721), (71, 1953926), (142, 976963), (223, 622102), (337, 411658), (446, 311051), (674, 205829), (923, 150302), (1846, 75151), (2899, 47854), (4381, 31666), (5798, 23927), (8762, 15833)]