318682976

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:356

約数の個数: 72

約数和(自身を含む): 666128232

約数和(自身を除く): 347445256

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 86, 124, 172, 241, 248, 344, 482, 496, 688, 961, 964, 992, 1333, 1376, 1922, 1928, 2666, 3844, 3856, 5332, 7471, 7688, 7712, 10363, 10664, 14942, 15376, 20726, 21328, 29884, 30752, 41323, 41452, 42656, 59768, 82646, 82904, 119536, 165292, 165808, 231601, 239072, 321253, 330584, 331616, 463202, 642506, 661168, 926404, 1285012, 1322336, 1852808, 2570024, 3705616, 5140048, 7411232, 9958843, 10280096, 19917686, 39835372, 79670744, 159341488, 318682976]

約数ペア:

[(1, 318682976), (2, 159341488), (4, 79670744), (8, 39835372), (16, 19917686), (31, 10280096), (32, 9958843), (43, 7411232), (62, 5140048), (86, 3705616), (124, 2570024), (172, 1852808), (241, 1322336), (248, 1285012), (344, 926404), (482, 661168), (496, 642506), (688, 463202), (961, 331616), (964, 330584), (992, 321253), (1333, 239072), (1376, 231601), (1922, 165808), (1928, 165292), (2666, 119536), (3844, 82904), (3856, 82646), (5332, 59768), (7471, 42656), (7688, 41452), (7712, 41323), (10363, 30752), (10664, 29884), (14942, 21328), (15376, 20726)]