200257985

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 252237888

約数和(自身を除く): 51979903

約数列:

[1, 5, 31, 71, 155, 355, 587, 961, 2201, 2935, 4805, 11005, 18197, 41677, 68231, 90985, 208385, 341155, 564107, 1291987, 2820535, 6459935, 40051597, 200257985]

約数ペア:

[(1, 200257985), (5, 40051597), (31, 6459935), (71, 2820535), (155, 1291987), (355, 564107), (587, 341155), (961, 208385), (2201, 90985), (2935, 68231), (4805, 41677), (11005, 18197)]