1900523989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1\times {\mathrm{739}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 2386944000

約数和(自身を除く): 486420011

約数列:

[1, 7, 13, 59, 91, 413, 479, 739, 767, 3353, 5173, 5369, 6227, 9607, 28261, 43589, 43601, 67249, 197827, 305207, 353981, 367393, 566813, 2477867, 2571751, 3967691, 4601753, 20884879, 32212271, 146194153, 271503427, 1900523989]

約数ペア:

[(1, 1900523989), (7, 271503427), (13, 146194153), (59, 32212271), (91, 20884879), (413, 4601753), (479, 3967691), (739, 2571751), (767, 2477867), (3353, 566813), (5173, 367393), (5369, 353981), (6227, 305207), (9607, 197827), (28261, 67249), (43589, 43601)]