16974391

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 22118400

約数和(自身を除く): 5144009

約数列:

[1, 7, 19, 23, 31, 133, 161, 179, 217, 437, 589, 713, 1253, 3059, 3401, 4117, 4123, 4991, 5549, 13547, 23807, 28819, 38843, 78223, 94829, 105431, 127627, 547561, 738017, 893389, 2424913, 16974391]

約数ペア:

[(1, 16974391), (7, 2424913), (19, 893389), (23, 738017), (31, 547561), (133, 127627), (161, 105431), (179, 94829), (217, 78223), (437, 38843), (589, 28819), (713, 23807), (1253, 13547), (3059, 5549), (3401, 4991), (4117, 4123)]