28721616

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 160

約数和(自身を含む): 97612800

約数和(自身を除く): 68891184

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 19, 21, 22, 24, 28, 33, 38, 42, 44, 48, 56, 57, 66, 76, 77, 84, 88, 112, 114, 132, 133, 152, 154, 168, 176, 209, 228, 231, 264, 266, 304, 308, 336, 399, 409, 418, 456, 462, 528, 532, 616, 627, 798, 818, 836, 912, 924, 1064, 1227, 1232, 1254, 1463, 1596, 1636, 1672, 1848, 2128, 2454, 2508, 2863, 2926, 3192, 3272, 3344, 3696, 4389, 4499, 4908, 5016, 5726, 5852, 6384, 6544, 7771, 8589, 8778, 8998, 9816, 10032, 11452, 11704, 13497, 15542, 17178, 17556, 17996, 19632, 22904, 23313, 23408, 26994, 31084, 31493, 34356, 35112, 35992, 45808, 46626, 53988, 54397, 62168, 62986, 68712, 70224, 71984, 85481, 93252, 94479, 107976, 108794, 124336, 125972, 137424, 163191, 170962, 186504, 188958, 215952, 217588, 251944, 256443, 326382, 341924, 373008, 377916, 435176, 503888, 512886, 598367, 652764, 683848, 755832, 870352, 1025772, 1196734, 1305528, 1367696, 1511664, 1795101, 2051544, 2393468, 2611056, 3590202, 4103088, 4786936, 7180404, 9573872, 14360808, 28721616]

約数ペア:

[(1, 28721616), (2, 14360808), (3, 9573872), (4, 7180404), (6, 4786936), (7, 4103088), (8, 3590202), (11, 2611056), (12, 2393468), (14, 2051544), (16, 1795101), (19, 1511664), (21, 1367696), (22, 1305528), (24, 1196734), (28, 1025772), (33, 870352), (38, 755832), (42, 683848), (44, 652764), (48, 598367), (56, 512886), (57, 503888), (66, 435176), (76, 377916), (77, 373008), (84, 341924), (88, 326382), (112, 256443), (114, 251944), (132, 217588), (133, 215952), (152, 188958), (154, 186504), (168, 170962), (176, 163191), (209, 137424), (228, 125972), (231, 124336), (264, 108794), (266, 107976), (304, 94479), (308, 93252), (336, 85481), (399, 71984), (409, 70224), (418, 68712), (456, 62986), (462, 62168), (528, 54397), (532, 53988), (616, 46626), (627, 45808), (798, 35992), (818, 35112), (836, 34356), (912, 31493), (924, 31084), (1064, 26994), (1227, 23408), (1232, 23313), (1254, 22904), (1463, 19632), (1596, 17996), (1636, 17556), (1672, 17178), (1848, 15542), (2128, 13497), (2454, 11704), (2508, 11452), (2863, 10032), (2926, 9816), (3192, 8998), (3272, 8778), (3344, 8589), (3696, 7771), (4389, 6544), (4499, 6384), (4908, 5852), (5016, 5726)]