820162048

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{37253}}^1$

素因数の和:37314

約数の個数: 40

約数和(自身を含む): 1676877048

約数和(自身を除く): 856715000

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1376, 2752, 5504, 11008, 22016, 37253, 74506, 149012, 298024, 596048, 1192096, 1601879, 2384192, 3203758, 4768384, 6407516, 9536768, 12815032, 19073536, 25630064, 51260128, 102520256, 205040512, 410081024, 820162048]

約数ペア:

[(1, 820162048), (2, 410081024), (4, 205040512), (8, 102520256), (16, 51260128), (32, 25630064), (43, 19073536), (64, 12815032), (86, 9536768), (128, 6407516), (172, 4768384), (256, 3203758), (344, 2384192), (512, 1601879), (688, 1192096), (1376, 596048), (2752, 298024), (5504, 149012), (11008, 74506), (22016, 37253)]