128742016

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{77369}}^1$

素因数の和:77396

約数の個数: 32

約数和(自身を含む): 276210900

約数和(自身を除く): 147468884

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 77369, 154738, 309476, 618952, 1005797, 1237904, 2011594, 2475808, 4023188, 4951616, 8046376, 9903232, 16092752, 32185504, 64371008, 128742016]

約数ペア:

[(1, 128742016), (2, 64371008), (4, 32185504), (8, 16092752), (13, 9903232), (16, 8046376), (26, 4951616), (32, 4023188), (52, 2475808), (64, 2011594), (104, 1237904), (128, 1005797), (208, 618952), (416, 309476), (832, 154738), (1664, 77369)]