28729072

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 57090096

約数和(自身を除く): 28361024

約数列:

[1, 2, 4, 8, 16, 97, 107, 173, 194, 214, 346, 388, 428, 692, 776, 856, 1384, 1552, 1712, 2768, 10379, 16781, 18511, 20758, 33562, 37022, 41516, 67124, 74044, 83032, 134248, 148088, 166064, 268496, 296176, 1795567, 3591134, 7182268, 14364536, 28729072]

約数ペア:

[(1, 28729072), (2, 14364536), (4, 7182268), (8, 3591134), (16, 1795567), (97, 296176), (107, 268496), (173, 166064), (194, 148088), (214, 134248), (346, 83032), (388, 74044), (428, 67124), (692, 41516), (776, 37022), (856, 33562), (1384, 20758), (1552, 18511), (1712, 16781), (2768, 10379)]