28079856

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:423

約数の個数: 120

約数和(自身を含む): 91110240

約数和(自身を除く): 63030384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 89, 112, 126, 144, 168, 178, 252, 267, 313, 336, 356, 504, 534, 623, 626, 712, 801, 939, 1008, 1068, 1246, 1252, 1424, 1602, 1869, 1878, 2136, 2191, 2492, 2504, 2817, 3204, 3738, 3756, 4272, 4382, 4984, 5008, 5607, 5634, 6408, 6573, 7476, 7512, 8764, 9968, 11214, 11268, 12816, 13146, 14952, 15024, 17528, 19719, 22428, 22536, 26292, 27857, 29904, 35056, 39438, 44856, 45072, 52584, 55714, 78876, 83571, 89712, 105168, 111428, 157752, 167142, 194999, 222856, 250713, 315504, 334284, 389998, 445712, 501426, 584997, 668568, 779996, 1002852, 1169994, 1337136, 1559992, 1754991, 2005704, 2339988, 3119984, 3509982, 4011408, 4679976, 7019964, 9359952, 14039928, 28079856]

約数ペア:

[(1, 28079856), (2, 14039928), (3, 9359952), (4, 7019964), (6, 4679976), (7, 4011408), (8, 3509982), (9, 3119984), (12, 2339988), (14, 2005704), (16, 1754991), (18, 1559992), (21, 1337136), (24, 1169994), (28, 1002852), (36, 779996), (42, 668568), (48, 584997), (56, 501426), (63, 445712), (72, 389998), (84, 334284), (89, 315504), (112, 250713), (126, 222856), (144, 194999), (168, 167142), (178, 157752), (252, 111428), (267, 105168), (313, 89712), (336, 83571), (356, 78876), (504, 55714), (534, 52584), (623, 45072), (626, 44856), (712, 39438), (801, 35056), (939, 29904), (1008, 27857), (1068, 26292), (1246, 22536), (1252, 22428), (1424, 19719), (1602, 17528), (1869, 15024), (1878, 14952), (2136, 13146), (2191, 12816), (2492, 11268), (2504, 11214), (2817, 9968), (3204, 8764), (3738, 7512), (3756, 7476), (4272, 6573), (4382, 6408), (4984, 5634), (5008, 5607)]