71872306

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 124104960

約数和(自身を除く): 52232654

約数列:

[1, 2, 11, 22, 47, 71, 89, 94, 121, 142, 178, 242, 517, 781, 979, 1034, 1562, 1958, 3337, 4183, 5687, 6319, 6674, 8366, 8591, 10769, 11374, 12638, 17182, 21538, 36707, 46013, 69509, 73414, 92026, 139018, 296993, 403777, 506143, 593986, 764599, 807554, 1012286, 1529198, 3266923, 6533846, 35936153, 71872306]

約数ペア:

[(1, 71872306), (2, 35936153), (11, 6533846), (22, 3266923), (47, 1529198), (71, 1012286), (89, 807554), (94, 764599), (121, 593986), (142, 506143), (178, 403777), (242, 296993), (517, 139018), (781, 92026), (979, 73414), (1034, 69509), (1562, 46013), (1958, 36707), (3337, 21538), (4183, 17182), (5687, 12638), (6319, 11374), (6674, 10769), (8366, 8591)]