128936368

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1283}}^1$

素因数の和:1873

約数の個数: 40

約数和(自身を含む): 273214656

約数和(自身を除く): 144278288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 571, 1142, 1283, 2284, 2566, 4568, 5132, 6281, 9136, 10264, 12562, 14113, 20528, 25124, 28226, 50248, 56452, 100496, 112904, 225808, 732593, 1465186, 2930372, 5860744, 8058523, 11721488, 16117046, 32234092, 64468184, 128936368]

約数ペア:

[(1, 128936368), (2, 64468184), (4, 32234092), (8, 16117046), (11, 11721488), (16, 8058523), (22, 5860744), (44, 2930372), (88, 1465186), (176, 732593), (571, 225808), (1142, 112904), (1283, 100496), (2284, 56452), (2566, 50248), (4568, 28226), (5132, 25124), (6281, 20528), (9136, 14113), (10264, 12562)]