28684404

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 89107200

約数和(自身を除く): 60422796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 101, 126, 138, 147, 161, 196, 202, 207, 252, 276, 294, 303, 322, 343, 404, 414, 441, 483, 588, 606, 644, 686, 707, 828, 882, 909, 966, 1029, 1127, 1212, 1372, 1414, 1449, 1764, 1818, 1932, 2058, 2121, 2254, 2323, 2828, 2898, 3087, 3381, 3636, 4116, 4242, 4508, 4646, 4949, 5796, 6174, 6363, 6762, 6969, 7889, 8484, 9292, 9898, 10143, 12348, 12726, 13524, 13938, 14847, 15778, 16261, 19796, 20286, 20907, 23667, 25452, 27876, 29694, 31556, 32522, 34643, 40572, 41814, 44541, 47334, 48783, 59388, 65044, 69286, 71001, 83628, 89082, 94668, 97566, 103929, 113827, 138572, 142002, 146349, 178164, 195132, 207858, 227654, 284004, 292698, 311787, 341481, 415716, 455308, 585396, 623574, 682962, 796789, 1024443, 1247148, 1365924, 1593578, 2048886, 2390367, 3187156, 4097772, 4780734, 7171101, 9561468, 14342202, 28684404]

約数ペア:

[(1, 28684404), (2, 14342202), (3, 9561468), (4, 7171101), (6, 4780734), (7, 4097772), (9, 3187156), (12, 2390367), (14, 2048886), (18, 1593578), (21, 1365924), (23, 1247148), (28, 1024443), (36, 796789), (42, 682962), (46, 623574), (49, 585396), (63, 455308), (69, 415716), (84, 341481), (92, 311787), (98, 292698), (101, 284004), (126, 227654), (138, 207858), (147, 195132), (161, 178164), (196, 146349), (202, 142002), (207, 138572), (252, 113827), (276, 103929), (294, 97566), (303, 94668), (322, 89082), (343, 83628), (404, 71001), (414, 69286), (441, 65044), (483, 59388), (588, 48783), (606, 47334), (644, 44541), (686, 41814), (707, 40572), (828, 34643), (882, 32522), (909, 31556), (966, 29694), (1029, 27876), (1127, 25452), (1212, 23667), (1372, 20907), (1414, 20286), (1449, 19796), (1764, 16261), (1818, 15778), (1932, 14847), (2058, 13938), (2121, 13524), (2254, 12726), (2323, 12348), (2828, 10143), (2898, 9898), (3087, 9292), (3381, 8484), (3636, 7889), (4116, 6969), (4242, 6762), (4508, 6363), (4646, 6174), (4949, 5796)]