81619212

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 204313536

約数和(自身を除く): 122694324

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 83, 114, 166, 227, 228, 249, 332, 361, 454, 498, 681, 722, 908, 996, 1083, 1362, 1444, 1577, 2166, 2724, 3154, 4313, 4332, 4731, 6308, 8626, 9462, 12939, 17252, 18841, 18924, 25878, 29963, 37682, 51756, 56523, 59926, 75364, 81947, 89889, 113046, 119852, 163894, 179778, 226092, 245841, 327788, 357979, 359556, 491682, 715958, 983364, 1073937, 1431916, 2147874, 4295748, 6801601, 13603202, 20404803, 27206404, 40809606, 81619212]

約数ペア:

[(1, 81619212), (2, 40809606), (3, 27206404), (4, 20404803), (6, 13603202), (12, 6801601), (19, 4295748), (38, 2147874), (57, 1431916), (76, 1073937), (83, 983364), (114, 715958), (166, 491682), (227, 359556), (228, 357979), (249, 327788), (332, 245841), (361, 226092), (454, 179778), (498, 163894), (681, 119852), (722, 113046), (908, 89889), (996, 81947), (1083, 75364), (1362, 59926), (1444, 56523), (1577, 51756), (2166, 37682), (2724, 29963), (3154, 25878), (4313, 18924), (4332, 18841), (4731, 17252), (6308, 12939), (8626, 9462)]