31870764

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 84153888

約数和(自身を除く): 52283124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 71, 74, 111, 142, 148, 213, 222, 284, 333, 337, 426, 444, 639, 666, 674, 852, 1011, 1278, 1332, 1348, 2022, 2556, 2627, 3033, 4044, 5254, 6066, 7881, 10508, 12132, 12469, 15762, 23643, 23927, 24938, 31524, 37407, 47286, 47854, 49876, 71781, 74814, 94572, 95708, 112221, 143562, 149628, 215343, 224442, 287124, 430686, 448884, 861372, 885299, 1770598, 2655897, 3541196, 5311794, 7967691, 10623588, 15935382, 31870764]

約数ペア:

[(1, 31870764), (2, 15935382), (3, 10623588), (4, 7967691), (6, 5311794), (9, 3541196), (12, 2655897), (18, 1770598), (36, 885299), (37, 861372), (71, 448884), (74, 430686), (111, 287124), (142, 224442), (148, 215343), (213, 149628), (222, 143562), (284, 112221), (333, 95708), (337, 94572), (426, 74814), (444, 71781), (639, 49876), (666, 47854), (674, 47286), (852, 37407), (1011, 31524), (1278, 24938), (1332, 23927), (1348, 23643), (2022, 15762), (2556, 12469), (2627, 12132), (3033, 10508), (4044, 7881), (5254, 6066)]