28559728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{104999}}^1$

素因数の和:105024

約数の個数: 20

約数和(自身を含む): 58590000

約数和(自身を除く): 30030272

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 104999, 209998, 419996, 839992, 1679984, 1784983, 3569966, 7139932, 14279864, 28559728]

約数ペア:

[(1, 28559728), (2, 14279864), (4, 7139932), (8, 3569966), (16, 1784983), (17, 1679984), (34, 839992), (68, 419996), (136, 209998), (272, 104999)]