128840384

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{46817}}^1$

素因数の和:46872

約数の個数: 28

約数和(自身を含む): 261618984

約数和(自身を除く): 132778600

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 46817, 93634, 187268, 374536, 749072, 1498144, 2013131, 2996288, 4026262, 8052524, 16105048, 32210096, 64420192, 128840384]

約数ペア:

[(1, 128840384), (2, 64420192), (4, 32210096), (8, 16105048), (16, 8052524), (32, 4026262), (43, 2996288), (64, 2013131), (86, 1498144), (172, 749072), (344, 374536), (688, 187268), (1376, 93634), (2752, 46817)]