28561712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2073

約数の個数: 40

約数和(自身を含む): 59520000

約数和(自身を除く): 30958288

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 1999, 3572, 3998, 7144, 7996, 14288, 15992, 31984, 37981, 75962, 93953, 151924, 187906, 303848, 375812, 607696, 751624, 1503248, 1785107, 3570214, 7140428, 14280856, 28561712]

約数ペア:

[(1, 28561712), (2, 14280856), (4, 7140428), (8, 3570214), (16, 1785107), (19, 1503248), (38, 751624), (47, 607696), (76, 375812), (94, 303848), (152, 187906), (188, 151924), (304, 93953), (376, 75962), (752, 37981), (893, 31984), (1786, 15992), (1999, 14288), (3572, 7996), (3998, 7144)]