25870039

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 31872960

約数和(自身を除く): 6002921

約数列:

[1, 13, 17, 19, 61, 101, 221, 247, 323, 793, 1037, 1159, 1313, 1717, 1919, 4199, 6161, 13481, 15067, 19703, 22321, 24947, 32623, 80093, 104737, 117059, 256139, 424099, 1361581, 1521767, 1990003, 25870039]

約数ペア:

[(1, 25870039), (13, 1990003), (17, 1521767), (19, 1361581), (61, 424099), (101, 256139), (221, 117059), (247, 104737), (323, 80093), (793, 32623), (1037, 24947), (1159, 22321), (1313, 19703), (1717, 15067), (1919, 13481), (4199, 6161)]