28748142717

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{14327}}^1$

素因数の和:14510

約数の個数: 64

約数和(自身を含む): 47536865280

約数和(自身を除く): 18788722563

約数列:

[1, 3, 7, 19, 21, 47, 57, 107, 133, 141, 321, 329, 399, 749, 893, 987, 2033, 2247, 2679, 5029, 6099, 6251, 14231, 14327, 15087, 18753, 35203, 42693, 42981, 95551, 100289, 105609, 272213, 286653, 300867, 668857, 673369, 816639, 1532989, 1905491, 2006571, 2020107, 4598967, 4713583, 5716473, 10730923, 12794011, 14140749, 29126791, 32192769, 38382033, 72050483, 87380373, 89558077, 203887537, 216151449, 268674231, 504353381, 611662611, 1368959177, 1513060143, 4106877531, 9582714239, 28748142717]

約数ペア:

[(1, 28748142717), (3, 9582714239), (7, 4106877531), (19, 1513060143), (21, 1368959177), (47, 611662611), (57, 504353381), (107, 268674231), (133, 216151449), (141, 203887537), (321, 89558077), (329, 87380373), (399, 72050483), (749, 38382033), (893, 32192769), (987, 29126791), (2033, 14140749), (2247, 12794011), (2679, 10730923), (5029, 5716473), (6099, 4713583), (6251, 4598967), (14231, 2020107), (14327, 2006571), (15087, 1905491), (18753, 1532989), (35203, 816639), (42693, 673369), (42981, 668857), (95551, 300867), (100289, 286653), (105609, 272213)]