260520001

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{353}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 326246400

約数和(自身を除く): 65726399

約数列:

[1, 7, 19, 31, 133, 179, 217, 353, 589, 1253, 2471, 3401, 4123, 5549, 6707, 10943, 23807, 38843, 46949, 63187, 76601, 105431, 207917, 442309, 738017, 1200553, 1455419, 1958797, 8403871, 13711579, 37217143, 260520001]

約数ペア:

[(1, 260520001), (7, 37217143), (19, 13711579), (31, 8403871), (133, 1958797), (179, 1455419), (217, 1200553), (353, 738017), (589, 442309), (1253, 207917), (2471, 105431), (3401, 76601), (4123, 63187), (5549, 46949), (6707, 38843), (10943, 23807)]