128071984

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{58427}}^1$

素因数の和:58572

約数の個数: 20

約数和(自身を含む): 249954984

約数和(自身を除く): 121883000

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 58427, 116854, 233708, 467416, 934832, 8004499, 16008998, 32017996, 64035992, 128071984]

約数ペア:

[(1, 128071984), (2, 64035992), (4, 32017996), (8, 16008998), (16, 8004499), (137, 934832), (274, 467416), (548, 233708), (1096, 116854), (2192, 58427)]