28549171

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 7946189

約数列:

[1, 7, 17, 31, 71, 109, 119, 217, 497, 527, 763, 1207, 1853, 2201, 3379, 3689, 7739, 8449, 12971, 15407, 23653, 37417, 54173, 57443, 131563, 239909, 261919, 402101, 920941, 1679363, 4078453, 28549171]

約数ペア:

[(1, 28549171), (7, 4078453), (17, 1679363), (31, 920941), (71, 402101), (109, 261919), (119, 239909), (217, 131563), (497, 57443), (527, 54173), (763, 37417), (1207, 23653), (1853, 15407), (2201, 12971), (3379, 8449), (3689, 7739)]