81478254

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 197074080

約数和(自身を除く): 115595826

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 89, 97, 121, 143, 178, 194, 242, 267, 286, 291, 363, 429, 534, 582, 726, 858, 979, 1067, 1157, 1261, 1573, 1958, 2134, 2314, 2522, 2937, 3146, 3201, 3471, 3783, 4719, 5874, 6402, 6942, 7566, 8633, 9438, 10769, 11737, 12727, 13871, 17266, 21538, 23474, 25454, 25899, 27742, 32307, 35211, 38181, 41613, 51798, 64614, 70422, 76362, 83226, 94963, 112229, 139997, 152581, 189926, 224458, 279994, 284889, 305162, 336687, 419991, 457743, 569778, 673374, 839982, 915486, 1044593, 1234519, 2089186, 2469038, 3133779, 3703557, 6267558, 7407114, 13579709, 27159418, 40739127, 81478254]

約数ペア:

[(1, 81478254), (2, 40739127), (3, 27159418), (6, 13579709), (11, 7407114), (13, 6267558), (22, 3703557), (26, 3133779), (33, 2469038), (39, 2089186), (66, 1234519), (78, 1044593), (89, 915486), (97, 839982), (121, 673374), (143, 569778), (178, 457743), (194, 419991), (242, 336687), (267, 305162), (286, 284889), (291, 279994), (363, 224458), (429, 189926), (534, 152581), (582, 139997), (726, 112229), (858, 94963), (979, 83226), (1067, 76362), (1157, 70422), (1261, 64614), (1573, 51798), (1958, 41613), (2134, 38181), (2314, 35211), (2522, 32307), (2937, 27742), (3146, 25899), (3201, 25454), (3471, 23474), (3783, 21538), (4719, 17266), (5874, 13871), (6402, 12727), (6942, 11737), (7566, 10769), (8633, 9438)]