28774123

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 35089200

約数和(自身を除く): 6315077

約数列:

[1, 7, 37, 49, 59, 259, 269, 413, 1813, 1883, 2183, 2891, 9953, 13181, 15281, 15871, 69671, 106967, 111097, 487697, 587227, 777679, 4110589, 28774123]

約数ペア:

[(1, 28774123), (7, 4110589), (37, 777679), (49, 587227), (59, 487697), (259, 111097), (269, 106967), (413, 69671), (1813, 15871), (1883, 15281), (2183, 13181), (2891, 9953)]