128353232

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16141}}^1$

素因数の和:16227

約数の個数: 40

約数和(自身を含む): 288231552

約数和(自身を除く): 159878320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 16141, 32282, 64564, 112987, 129128, 225974, 258256, 451948, 903896, 1146011, 1807792, 2292022, 4584044, 8022077, 9168088, 16044154, 18336176, 32088308, 64176616, 128353232]

約数ペア:

[(1, 128353232), (2, 64176616), (4, 32088308), (7, 18336176), (8, 16044154), (14, 9168088), (16, 8022077), (28, 4584044), (56, 2292022), (71, 1807792), (112, 1146011), (142, 903896), (284, 451948), (497, 258256), (568, 225974), (994, 129128), (1136, 112987), (1988, 64564), (3976, 32282), (7952, 16141)]