16811275

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:232

約数の個数: 36

約数和(自身を含む): 23690448

約数和(自身を除く): 6879173

約数列:

[1, 5, 13, 23, 25, 65, 115, 169, 173, 299, 325, 575, 845, 865, 1495, 2249, 3887, 3979, 4225, 4325, 7475, 11245, 19435, 19895, 29237, 51727, 56225, 97175, 99475, 146185, 258635, 672451, 730925, 1293175, 3362255, 16811275]

約数ペア:

[(1, 16811275), (5, 3362255), (13, 1293175), (23, 730925), (25, 672451), (65, 258635), (115, 146185), (169, 99475), (173, 97175), (299, 56225), (325, 51727), (575, 29237), (845, 19895), (865, 19435), (1495, 11245), (2249, 7475), (3887, 4325), (3979, 4225)]