28400905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10657}}^1$

素因数の和:10716

約数の個数: 16

約数和(自身を含む): 37601424

約数和(自身を除く): 9200519

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 10657, 53285, 138541, 436937, 692705, 2184685, 5680181, 28400905]

約数ペア:

[(1, 28400905), (5, 5680181), (13, 2184685), (41, 692705), (65, 436937), (205, 138541), (533, 53285), (2665, 10657)]