28499315

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1163}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 38342160

約数和(自身を除く): 9842845

約数列:

[1, 5, 13, 29, 65, 145, 169, 377, 845, 1163, 1885, 4901, 5815, 15119, 24505, 33727, 75595, 168635, 196547, 438451, 982735, 2192255, 5699863, 28499315]

約数ペア:

[(1, 28499315), (5, 5699863), (13, 2192255), (29, 982735), (65, 438451), (145, 196547), (169, 168635), (377, 75595), (845, 33727), (1163, 24505), (1885, 15119), (4901, 5815)]