64974656

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:343

約数の個数: 56

約数和(自身を含む): 133136640

約数和(自身を除く): 68161984

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 79, 142, 158, 181, 284, 316, 362, 568, 632, 724, 1136, 1264, 1448, 2272, 2528, 2896, 4544, 5056, 5609, 5792, 11218, 11584, 12851, 14299, 22436, 25702, 28598, 44872, 51404, 57196, 89744, 102808, 114392, 179488, 205616, 228784, 358976, 411232, 457568, 822464, 915136, 1015229, 2030458, 4060916, 8121832, 16243664, 32487328, 64974656]

約数ペア:

[(1, 64974656), (2, 32487328), (4, 16243664), (8, 8121832), (16, 4060916), (32, 2030458), (64, 1015229), (71, 915136), (79, 822464), (142, 457568), (158, 411232), (181, 358976), (284, 228784), (316, 205616), (362, 179488), (568, 114392), (632, 102808), (724, 89744), (1136, 57196), (1264, 51404), (1448, 44872), (2272, 28598), (2528, 25702), (2896, 22436), (4544, 14299), (5056, 12851), (5609, 11584), (5792, 11218)]