128571846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{2689}}^1$

素因数の和:3320

約数の個数: 32

約数和(自身を含む): 277478880

約数和(自身を除く): 148907034

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 613, 1226, 1839, 2689, 3678, 5378, 7969, 8067, 15938, 16134, 23907, 34957, 47814, 69914, 104871, 209742, 1648357, 3296714, 4945071, 9890142, 21428641, 42857282, 64285923, 128571846]

約数ペア:

[(1, 128571846), (2, 64285923), (3, 42857282), (6, 21428641), (13, 9890142), (26, 4945071), (39, 3296714), (78, 1648357), (613, 209742), (1226, 104871), (1839, 69914), (2689, 47814), (3678, 34957), (5378, 23907), (7969, 16134), (8067, 15938)]