28143328

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 57513456

約数和(自身を除く): 29370128

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 113, 172, 181, 226, 344, 362, 452, 688, 724, 904, 1376, 1448, 1808, 2896, 3616, 4859, 5792, 7783, 9718, 15566, 19436, 20453, 31132, 38872, 40906, 62264, 77744, 81812, 124528, 155488, 163624, 249056, 327248, 654496, 879479, 1758958, 3517916, 7035832, 14071664, 28143328]

約数ペア:

[(1, 28143328), (2, 14071664), (4, 7035832), (8, 3517916), (16, 1758958), (32, 879479), (43, 654496), (86, 327248), (113, 249056), (172, 163624), (181, 155488), (226, 124528), (344, 81812), (362, 77744), (452, 62264), (688, 40906), (724, 38872), (904, 31132), (1376, 20453), (1448, 19436), (1808, 15566), (2896, 9718), (3616, 7783), (4859, 5792)]