28504784

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1404

約数の個数: 80

約数和(自身を含む): 72959616

約数和(自身を除く): 44454832

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 308, 374, 476, 616, 748, 952, 1232, 1309, 1361, 1496, 1904, 2618, 2722, 2992, 5236, 5444, 9527, 10472, 10888, 14971, 19054, 20944, 21776, 23137, 29942, 38108, 46274, 59884, 76216, 92548, 104797, 119768, 152432, 161959, 185096, 209594, 239536, 254507, 323918, 370192, 419188, 509014, 647836, 838376, 1018028, 1295672, 1676752, 1781549, 2036056, 2591344, 3563098, 4072112, 7126196, 14252392, 28504784]

約数ペア:

[(1, 28504784), (2, 14252392), (4, 7126196), (7, 4072112), (8, 3563098), (11, 2591344), (14, 2036056), (16, 1781549), (17, 1676752), (22, 1295672), (28, 1018028), (34, 838376), (44, 647836), (56, 509014), (68, 419188), (77, 370192), (88, 323918), (112, 254507), (119, 239536), (136, 209594), (154, 185096), (176, 161959), (187, 152432), (238, 119768), (272, 104797), (308, 92548), (374, 76216), (476, 59884), (616, 46274), (748, 38108), (952, 29942), (1232, 23137), (1309, 21776), (1361, 20944), (1496, 19054), (1904, 14971), (2618, 10888), (2722, 10472), (2992, 9527), (5236, 5444)]