128483312

素因数分解:

$2^4\times {\mathrm{43}}^3\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 40

約数和(自身を含む): 257386800

約数和(自身を除く): 128903488

約数列:

[1, 2, 4, 8, 16, 43, 86, 101, 172, 202, 344, 404, 688, 808, 1616, 1849, 3698, 4343, 7396, 8686, 14792, 17372, 29584, 34744, 69488, 79507, 159014, 186749, 318028, 373498, 636056, 746996, 1272112, 1493992, 2987984, 8030207, 16060414, 32120828, 64241656, 128483312]

約数ペア:

[(1, 128483312), (2, 64241656), (4, 32120828), (8, 16060414), (16, 8030207), (43, 2987984), (86, 1493992), (101, 1272112), (172, 746996), (202, 636056), (344, 373498), (404, 318028), (688, 186749), (808, 159014), (1616, 79507), (1849, 69488), (3698, 34744), (4343, 29584), (7396, 17372), (8686, 14792)]