81355302

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2050

約数の個数: 96

約数和(自身を含む): 224640000

約数和(自身を除く): 143284698

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 34, 38, 42, 51, 57, 63, 102, 114, 119, 126, 133, 153, 171, 238, 266, 306, 323, 342, 357, 399, 646, 714, 798, 969, 1071, 1197, 1938, 1999, 2142, 2261, 2394, 2907, 3998, 4522, 5814, 5997, 6783, 11994, 13566, 13993, 17991, 20349, 27986, 33983, 35982, 37981, 40698, 41979, 67966, 75962, 83958, 101949, 113943, 125937, 203898, 227886, 237881, 251874, 265867, 305847, 341829, 475762, 531734, 611694, 645677, 683658, 713643, 797601, 1291354, 1427286, 1595202, 1937031, 2140929, 2392803, 3874062, 4281858, 4519739, 4785606, 5811093, 9039478, 11622186, 13559217, 27118434, 40677651, 81355302]

約数ペア:

[(1, 81355302), (2, 40677651), (3, 27118434), (6, 13559217), (7, 11622186), (9, 9039478), (14, 5811093), (17, 4785606), (18, 4519739), (19, 4281858), (21, 3874062), (34, 2392803), (38, 2140929), (42, 1937031), (51, 1595202), (57, 1427286), (63, 1291354), (102, 797601), (114, 713643), (119, 683658), (126, 645677), (133, 611694), (153, 531734), (171, 475762), (238, 341829), (266, 305847), (306, 265867), (323, 251874), (342, 237881), (357, 227886), (399, 203898), (646, 125937), (714, 113943), (798, 101949), (969, 83958), (1071, 75962), (1197, 67966), (1938, 41979), (1999, 40698), (2142, 37981), (2261, 35982), (2394, 33983), (2907, 27986), (3998, 20349), (4522, 17991), (5814, 13993), (5997, 13566), (6783, 11994)]