28508727208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{135637}}^1$

素因数の和:135746

約数の個数: 64

約数和(自身を含む): 60158165760

約数和(自身を除く): 31649438552

約数列:

[1, 2, 4, 8, 13, 26, 43, 47, 52, 86, 94, 104, 172, 188, 344, 376, 559, 611, 1118, 1222, 2021, 2236, 2444, 4042, 4472, 4888, 8084, 16168, 26273, 52546, 105092, 135637, 210184, 271274, 542548, 1085096, 1763281, 3526562, 5832391, 6374939, 7053124, 11664782, 12749878, 14106248, 23329564, 25499756, 46659128, 50999512, 75821083, 82874207, 151642166, 165748414, 274122377, 303284332, 331496828, 548244754, 606568664, 662993656, 1096489508, 2192979016, 3563590901, 7127181802, 14254363604, 28508727208]

約数ペア:

[(1, 28508727208), (2, 14254363604), (4, 7127181802), (8, 3563590901), (13, 2192979016), (26, 1096489508), (43, 662993656), (47, 606568664), (52, 548244754), (86, 331496828), (94, 303284332), (104, 274122377), (172, 165748414), (188, 151642166), (344, 82874207), (376, 75821083), (559, 50999512), (611, 46659128), (1118, 25499756), (1222, 23329564), (2021, 14106248), (2236, 12749878), (2444, 11664782), (4042, 7053124), (4472, 6374939), (4888, 5832391), (8084, 3526562), (16168, 1763281), (26273, 1085096), (52546, 542548), (105092, 271274), (135637, 210184)]