25516205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 36384768

約数和(自身を除く): 10868563

約数列:

[1, 5, 11, 13, 55, 65, 127, 143, 281, 635, 715, 1397, 1405, 1651, 3091, 3653, 6985, 8255, 15455, 18161, 18265, 35687, 40183, 90805, 178435, 200915, 392557, 463931, 1962785, 2319655, 5103241, 25516205]

約数ペア:

[(1, 25516205), (5, 5103241), (11, 2319655), (13, 1962785), (55, 463931), (65, 392557), (127, 200915), (143, 178435), (281, 90805), (635, 40183), (715, 35687), (1397, 18265), (1405, 18161), (1651, 15455), (3091, 8255), (3653, 6985)]