31328768

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1484

約数の個数: 40

約数和(自身を含む): 64097088

約数和(自身を除く): 32768320

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1376, 1423, 2752, 2846, 5504, 5692, 11008, 11384, 22016, 22768, 45536, 61189, 91072, 122378, 182144, 244756, 364288, 489512, 728576, 979024, 1958048, 3916096, 7832192, 15664384, 31328768]

約数ペア:

[(1, 31328768), (2, 15664384), (4, 7832192), (8, 3916096), (16, 1958048), (32, 979024), (43, 728576), (64, 489512), (86, 364288), (128, 244756), (172, 182144), (256, 122378), (344, 91072), (512, 61189), (688, 45536), (1376, 22768), (1423, 22016), (2752, 11384), (2846, 11008), (5504, 5692)]