128305087148

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{995941}}^1$

素因数の和:996102

約数の個数: 48

約数和(自身を含む): 265032117504

約数和(自身を除く): 136727030356

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 107, 172, 214, 301, 428, 602, 749, 1204, 1498, 2996, 4601, 9202, 18404, 32207, 64414, 128828, 995941, 1991882, 3983764, 6971587, 13943174, 27886348, 42825463, 85650926, 106565687, 171301852, 213131374, 299778241, 426262748, 599556482, 745959809, 1199112964, 1491919618, 2983839236, 4582324541, 9164649082, 18329298164, 32076271787, 64152543574, 128305087148]

約数ペア:

[(1, 128305087148), (2, 64152543574), (4, 32076271787), (7, 18329298164), (14, 9164649082), (28, 4582324541), (43, 2983839236), (86, 1491919618), (107, 1199112964), (172, 745959809), (214, 599556482), (301, 426262748), (428, 299778241), (602, 213131374), (749, 171301852), (1204, 106565687), (1498, 85650926), (2996, 42825463), (4601, 27886348), (9202, 13943174), (18404, 6971587), (32207, 3983764), (64414, 1991882), (128828, 995941)]