8721048

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 27141120

約数和(自身を除く): 18420072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 37, 42, 46, 56, 61, 69, 74, 84, 92, 111, 122, 138, 148, 161, 168, 183, 184, 222, 244, 259, 276, 296, 322, 366, 427, 444, 483, 488, 518, 552, 644, 732, 777, 851, 854, 888, 966, 1036, 1281, 1288, 1403, 1464, 1554, 1702, 1708, 1932, 2072, 2257, 2553, 2562, 2806, 3108, 3404, 3416, 3864, 4209, 4514, 5106, 5124, 5612, 5957, 6216, 6771, 6808, 8418, 9028, 9821, 10212, 10248, 11224, 11914, 13542, 15799, 16836, 17871, 18056, 19642, 20424, 23828, 27084, 29463, 31598, 33672, 35742, 39284, 47397, 47656, 51911, 54168, 58926, 63196, 71484, 78568, 94794, 103822, 117852, 126392, 142968, 155733, 189588, 207644, 235704, 311466, 363377, 379176, 415288, 622932, 726754, 1090131, 1245864, 1453508, 2180262, 2907016, 4360524, 8721048]

約数ペア:

[(1, 8721048), (2, 4360524), (3, 2907016), (4, 2180262), (6, 1453508), (7, 1245864), (8, 1090131), (12, 726754), (14, 622932), (21, 415288), (23, 379176), (24, 363377), (28, 311466), (37, 235704), (42, 207644), (46, 189588), (56, 155733), (61, 142968), (69, 126392), (74, 117852), (84, 103822), (92, 94794), (111, 78568), (122, 71484), (138, 63196), (148, 58926), (161, 54168), (168, 51911), (183, 47656), (184, 47397), (222, 39284), (244, 35742), (259, 33672), (276, 31598), (296, 29463), (322, 27084), (366, 23828), (427, 20424), (444, 19642), (483, 18056), (488, 17871), (518, 16836), (552, 15799), (644, 13542), (732, 11914), (777, 11224), (851, 10248), (854, 10212), (888, 9821), (966, 9028), (1036, 8418), (1281, 6808), (1288, 6771), (1403, 6216), (1464, 5957), (1554, 5612), (1702, 5124), (1708, 5106), (1932, 4514), (2072, 4209), (2257, 3864), (2553, 3416), (2562, 3404), (2806, 3108)]