90131968

素因数分解:

$2^9\times {\mathrm{401}}^1\times {\mathrm{439}}^1$

素因数の和:858

約数の個数: 40

約数和(自身を含む): 180948240

約数和(自身を除く): 90816272

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 401, 439, 512, 802, 878, 1604, 1756, 3208, 3512, 6416, 7024, 12832, 14048, 25664, 28096, 51328, 56192, 102656, 112384, 176039, 205312, 224768, 352078, 704156, 1408312, 2816624, 5633248, 11266496, 22532992, 45065984, 90131968]

約数ペア:

[(1, 90131968), (2, 45065984), (4, 22532992), (8, 11266496), (16, 5633248), (32, 2816624), (64, 1408312), (128, 704156), (256, 352078), (401, 224768), (439, 205312), (512, 176039), (802, 112384), (878, 102656), (1604, 56192), (1756, 51328), (3208, 28096), (3512, 25664), (6416, 14048), (7024, 12832)]