1986925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 2678400

約数和(自身を除く): 691475

約数列:

[1, 5, 19, 25, 47, 89, 95, 235, 445, 475, 893, 1175, 1691, 2225, 4183, 4465, 8455, 20915, 22325, 42275, 79477, 104575, 397385, 1986925]

約数ペア:

[(1, 1986925), (5, 397385), (19, 104575), (25, 79477), (47, 42275), (89, 22325), (95, 20915), (235, 8455), (445, 4465), (475, 4183), (893, 2225), (1175, 1691)]