28088710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{499}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 54684000

約数和(自身を除く): 26595290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 433, 499, 866, 998, 2165, 2495, 4330, 4990, 5629, 6487, 11258, 12974, 28145, 32435, 56290, 64870, 216067, 432134, 1080335, 2160670, 2808871, 5617742, 14044355, 28088710]

約数ペア:

[(1, 28088710), (2, 14044355), (5, 5617742), (10, 2808871), (13, 2160670), (26, 1080335), (65, 432134), (130, 216067), (433, 64870), (499, 56290), (866, 32435), (998, 28145), (2165, 12974), (2495, 11258), (4330, 6487), (4990, 5629)]