129647944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{2531}}^1$

素因数の和:2893

約数の個数: 32

約数和(自身を含む): 256744800

約数和(自身を除く): 127096856

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 337, 674, 1348, 2531, 2696, 5062, 6403, 10124, 12806, 20248, 25612, 48089, 51224, 96178, 192356, 384712, 852947, 1705894, 3411788, 6823576, 16205993, 32411986, 64823972, 129647944]

約数ペア:

[(1, 129647944), (2, 64823972), (4, 32411986), (8, 16205993), (19, 6823576), (38, 3411788), (76, 1705894), (152, 852947), (337, 384712), (674, 192356), (1348, 96178), (2531, 51224), (2696, 48089), (5062, 25612), (6403, 20248), (10124, 12806)]