219488512

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 454716416

約数和(自身を除く): 235227904

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 127, 128, 157, 172, 254, 256, 314, 344, 508, 628, 688, 1016, 1256, 1376, 2032, 2512, 2752, 4064, 5024, 5461, 5504, 6751, 8128, 10048, 10922, 11008, 13502, 16256, 19939, 20096, 21844, 27004, 32512, 39878, 40192, 43688, 54008, 79756, 87376, 108016, 159512, 174752, 216032, 319024, 349504, 432064, 638048, 699008, 857377, 864128, 1276096, 1398016, 1714754, 1728256, 2552192, 3429508, 5104384, 6859016, 13718032, 27436064, 54872128, 109744256, 219488512]

約数ペア:

[(1, 219488512), (2, 109744256), (4, 54872128), (8, 27436064), (16, 13718032), (32, 6859016), (43, 5104384), (64, 3429508), (86, 2552192), (127, 1728256), (128, 1714754), (157, 1398016), (172, 1276096), (254, 864128), (256, 857377), (314, 699008), (344, 638048), (508, 432064), (628, 349504), (688, 319024), (1016, 216032), (1256, 174752), (1376, 159512), (2032, 108016), (2512, 87376), (2752, 79756), (4064, 54008), (5024, 43688), (5461, 40192), (5504, 39878), (6751, 32512), (8128, 27004), (10048, 21844), (10922, 20096), (11008, 19939), (13502, 16256)]