28947906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 75479040

約数和(自身を除く): 46531134

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 117, 153, 171, 221, 234, 247, 306, 323, 342, 383, 442, 494, 646, 663, 741, 766, 969, 1149, 1326, 1482, 1938, 1989, 2223, 2298, 2907, 3447, 3978, 4199, 4446, 4979, 5814, 6511, 6894, 7277, 8398, 9958, 12597, 13022, 14554, 14937, 19533, 21831, 25194, 29874, 37791, 39066, 43662, 44811, 58599, 65493, 75582, 84643, 89622, 94601, 117198, 123709, 130986, 169286, 189202, 247418, 253929, 283803, 371127, 507858, 567606, 742254, 761787, 851409, 1113381, 1523574, 1608217, 1702818, 2226762, 3216434, 4824651, 9649302, 14473953, 28947906]

約数ペア:

[(1, 28947906), (2, 14473953), (3, 9649302), (6, 4824651), (9, 3216434), (13, 2226762), (17, 1702818), (18, 1608217), (19, 1523574), (26, 1113381), (34, 851409), (38, 761787), (39, 742254), (51, 567606), (57, 507858), (78, 371127), (102, 283803), (114, 253929), (117, 247418), (153, 189202), (171, 169286), (221, 130986), (234, 123709), (247, 117198), (306, 94601), (323, 89622), (342, 84643), (383, 75582), (442, 65493), (494, 58599), (646, 44811), (663, 43662), (741, 39066), (766, 37791), (969, 29874), (1149, 25194), (1326, 21831), (1482, 19533), (1938, 14937), (1989, 14554), (2223, 13022), (2298, 12597), (2907, 9958), (3447, 8398), (3978, 7277), (4199, 6894), (4446, 6511), (4979, 5814)]