256512

素因数分解:

$2^9\times 3^1\times {\mathrm{167}}^1$

素因数の和:188

約数の個数: 40

約数和(自身を含む): 687456

約数和(自身を除く): 430944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 167, 192, 256, 334, 384, 501, 512, 668, 768, 1002, 1336, 1536, 2004, 2672, 4008, 5344, 8016, 10688, 16032, 21376, 32064, 42752, 64128, 85504, 128256, 256512]

約数ペア:

[(1, 256512), (2, 128256), (3, 85504), (4, 64128), (6, 42752), (8, 32064), (12, 21376), (16, 16032), (24, 10688), (32, 8016), (48, 5344), (64, 4008), (96, 2672), (128, 2004), (167, 1536), (192, 1336), (256, 1002), (334, 768), (384, 668), (501, 512)]