28978992

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{37}}^2$

素因数の和:105

約数の個数: 180

約数和(自身を含む): 99446760

約数和(自身を除く): 70467768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 37, 42, 48, 49, 54, 56, 63, 72, 74, 84, 98, 108, 111, 112, 126, 144, 147, 148, 168, 189, 196, 216, 222, 252, 259, 294, 296, 333, 336, 378, 392, 432, 441, 444, 504, 518, 588, 592, 666, 756, 777, 784, 882, 888, 999, 1008, 1036, 1176, 1323, 1332, 1369, 1512, 1554, 1764, 1776, 1813, 1998, 2072, 2331, 2352, 2646, 2664, 2738, 3024, 3108, 3528, 3626, 3996, 4107, 4144, 4662, 5292, 5328, 5439, 5476, 6216, 6993, 7056, 7252, 7992, 8214, 9324, 9583, 10584, 10878, 10952, 12321, 12432, 13986, 14504, 15984, 16317, 16428, 18648, 19166, 21168, 21756, 21904, 24642, 27972, 28749, 29008, 32634, 32856, 36963, 37296, 38332, 43512, 48951, 49284, 55944, 57498, 65268, 65712, 67081, 73926, 76664, 86247, 87024, 97902, 98568, 111888, 114996, 130536, 134162, 147852, 153328, 172494, 195804, 197136, 201243, 229992, 258741, 261072, 268324, 295704, 344988, 391608, 402486, 459984, 517482, 536648, 591408, 603729, 689976, 783216, 804972, 1034964, 1073296, 1207458, 1379952, 1609944, 1811187, 2069928, 2414916, 3219888, 3622374, 4139856, 4829832, 7244748, 9659664, 14489496, 28978992]

約数ペア:

[(1, 28978992), (2, 14489496), (3, 9659664), (4, 7244748), (6, 4829832), (7, 4139856), (8, 3622374), (9, 3219888), (12, 2414916), (14, 2069928), (16, 1811187), (18, 1609944), (21, 1379952), (24, 1207458), (27, 1073296), (28, 1034964), (36, 804972), (37, 783216), (42, 689976), (48, 603729), (49, 591408), (54, 536648), (56, 517482), (63, 459984), (72, 402486), (74, 391608), (84, 344988), (98, 295704), (108, 268324), (111, 261072), (112, 258741), (126, 229992), (144, 201243), (147, 197136), (148, 195804), (168, 172494), (189, 153328), (196, 147852), (216, 134162), (222, 130536), (252, 114996), (259, 111888), (294, 98568), (296, 97902), (333, 87024), (336, 86247), (378, 76664), (392, 73926), (432, 67081), (441, 65712), (444, 65268), (504, 57498), (518, 55944), (588, 49284), (592, 48951), (666, 43512), (756, 38332), (777, 37296), (784, 36963), (882, 32856), (888, 32634), (999, 29008), (1008, 28749), (1036, 27972), (1176, 24642), (1323, 21904), (1332, 21756), (1369, 21168), (1512, 19166), (1554, 18648), (1764, 16428), (1776, 16317), (1813, 15984), (1998, 14504), (2072, 13986), (2331, 12432), (2352, 12321), (2646, 10952), (2664, 10878), (2738, 10584), (3024, 9583), (3108, 9324), (3528, 8214), (3626, 7992), (3996, 7252), (4107, 7056), (4144, 6993), (4662, 6216), (5292, 5476), (5328, 5439)]