25128719

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2027}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 33291648

約数和(自身を除く): 8162929

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 2027, 12397, 14189, 22297, 46621, 99323, 156079, 326347, 512831, 1092553, 2284429, 3589817, 25128719]

約数ペア:

[(1, 25128719), (7, 3589817), (11, 2284429), (23, 1092553), (49, 512831), (77, 326347), (161, 156079), (253, 99323), (539, 46621), (1127, 22297), (1771, 14189), (2027, 12397)]