28881552

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2060

約数の個数: 80

約数和(自身を含む): 87296000

約数和(自身を除く): 58414448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1806, 1999, 2064, 2408, 3612, 3998, 4816, 5997, 7224, 7996, 11994, 13993, 14448, 15992, 23988, 27986, 31984, 41979, 47976, 55972, 83958, 85957, 95952, 111944, 167916, 171914, 223888, 257871, 335832, 343828, 515742, 601699, 671664, 687656, 1031484, 1203398, 1375312, 1805097, 2062968, 2406796, 3610194, 4125936, 4813592, 7220388, 9627184, 14440776, 28881552]

約数ペア:

[(1, 28881552), (2, 14440776), (3, 9627184), (4, 7220388), (6, 4813592), (7, 4125936), (8, 3610194), (12, 2406796), (14, 2062968), (16, 1805097), (21, 1375312), (24, 1203398), (28, 1031484), (42, 687656), (43, 671664), (48, 601699), (56, 515742), (84, 343828), (86, 335832), (112, 257871), (129, 223888), (168, 171914), (172, 167916), (258, 111944), (301, 95952), (336, 85957), (344, 83958), (516, 55972), (602, 47976), (688, 41979), (903, 31984), (1032, 27986), (1204, 23988), (1806, 15992), (1999, 14448), (2064, 13993), (2408, 11994), (3612, 7996), (3998, 7224), (4816, 5997)]