257034568

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1013}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 578223360

約数和(自身を除く): 321188792

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 197, 322, 394, 644, 788, 1013, 1288, 1379, 1576, 2026, 2758, 4052, 4531, 5516, 7091, 8104, 9062, 11032, 14182, 18124, 23299, 28364, 31717, 36248, 46598, 56728, 63434, 93196, 126868, 163093, 186392, 199561, 253736, 326186, 399122, 652372, 798244, 1304744, 1396927, 1596488, 2793854, 4589903, 5587708, 9179806, 11175416, 18359612, 32129321, 36719224, 64258642, 128517284, 257034568]

約数ペア:

[(1, 257034568), (2, 128517284), (4, 64258642), (7, 36719224), (8, 32129321), (14, 18359612), (23, 11175416), (28, 9179806), (46, 5587708), (56, 4589903), (92, 2793854), (161, 1596488), (184, 1396927), (197, 1304744), (322, 798244), (394, 652372), (644, 399122), (788, 326186), (1013, 253736), (1288, 199561), (1379, 186392), (1576, 163093), (2026, 126868), (2758, 93196), (4052, 63434), (4531, 56728), (5516, 46598), (7091, 36248), (8104, 31717), (9062, 28364), (11032, 23299), (14182, 18124)]