128608744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{39499}}^1$

素因数の和:39553

約数の個数: 32

約数和(自身を含む): 270180000

約数和(自身を除く): 141571256

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 39499, 78998, 157996, 315992, 434489, 868978, 1461463, 1737956, 2922926, 3475912, 5845852, 11691704, 16076093, 32152186, 64304372, 128608744]

約数ペア:

[(1, 128608744), (2, 64304372), (4, 32152186), (8, 16076093), (11, 11691704), (22, 5845852), (37, 3475912), (44, 2922926), (74, 1737956), (88, 1461463), (148, 868978), (296, 434489), (407, 315992), (814, 157996), (1628, 78998), (3256, 39499)]