31178994

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 81948672

約数和(自身を除く): 50769678

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 49, 62, 66, 77, 93, 98, 147, 154, 186, 217, 231, 294, 311, 341, 434, 462, 539, 622, 651, 682, 933, 1023, 1078, 1302, 1519, 1617, 1866, 2046, 2177, 2387, 3038, 3234, 3421, 4354, 4557, 4774, 6531, 6842, 7161, 9114, 9641, 10263, 13062, 14322, 15239, 16709, 19282, 20526, 23947, 28923, 30478, 33418, 45717, 47894, 50127, 57846, 67487, 71841, 91434, 100254, 106051, 134974, 143682, 167629, 202461, 212102, 318153, 335258, 404922, 472409, 502887, 636306, 742357, 944818, 1005774, 1417227, 1484714, 2227071, 2834454, 4454142, 5196499, 10392998, 15589497, 31178994]

約数ペア:

[(1, 31178994), (2, 15589497), (3, 10392998), (6, 5196499), (7, 4454142), (11, 2834454), (14, 2227071), (21, 1484714), (22, 1417227), (31, 1005774), (33, 944818), (42, 742357), (49, 636306), (62, 502887), (66, 472409), (77, 404922), (93, 335258), (98, 318153), (147, 212102), (154, 202461), (186, 167629), (217, 143682), (231, 134974), (294, 106051), (311, 100254), (341, 91434), (434, 71841), (462, 67487), (539, 57846), (622, 50127), (651, 47894), (682, 45717), (933, 33418), (1023, 30478), (1078, 28923), (1302, 23947), (1519, 20526), (1617, 19282), (1866, 16709), (2046, 15239), (2177, 14322), (2387, 13062), (3038, 10263), (3234, 9641), (3421, 9114), (4354, 7161), (4557, 6842), (4774, 6531)]