25538303

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1$

素因数の和:1406

約数の個数: 16

約数和(自身を含む): 30720000

約数和(自身を除く): 5181697

約数列:

[1, 7, 23, 127, 161, 889, 1249, 2921, 8743, 20447, 28727, 158623, 201089, 1110361, 3648329, 25538303]

約数ペア:

[(1, 25538303), (7, 3648329), (23, 1110361), (127, 201089), (161, 158623), (889, 28727), (1249, 20447), (2921, 8743)]