207680538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{37501}}^1$

素因数の和:37590

約数の個数: 32

約数和(自身を含む): 453624192

約数和(自身を除く): 245943654

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 37501, 75002, 112503, 225006, 487513, 975026, 1462539, 2662571, 2925078, 5325142, 7987713, 15975426, 34613423, 69226846, 103840269, 207680538]

約数ペア:

[(1, 207680538), (2, 103840269), (3, 69226846), (6, 34613423), (13, 15975426), (26, 7987713), (39, 5325142), (71, 2925078), (78, 2662571), (142, 1462539), (213, 975026), (426, 487513), (923, 225006), (1846, 112503), (2769, 75002), (5538, 37501)]