389982136

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{6553}}^1$

素因数の和:6775

約数の個数: 32

約数和(自身を含む): 752661360

約数和(自身を除く): 362679224

約数列:

[1, 2, 4, 8, 43, 86, 172, 173, 344, 346, 692, 1384, 6553, 7439, 13106, 14878, 26212, 29756, 52424, 59512, 281779, 563558, 1127116, 1133669, 2254232, 2267338, 4534676, 9069352, 48747767, 97495534, 194991068, 389982136]

約数ペア:

[(1, 389982136), (2, 194991068), (4, 97495534), (8, 48747767), (43, 9069352), (86, 4534676), (172, 2267338), (173, 2254232), (344, 1133669), (346, 1127116), (692, 563558), (1384, 281779), (6553, 59512), (7439, 52424), (13106, 29756), (14878, 26212)]