728574896

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{941}}^1$

素因数の和:1210

約数の個数: 80

約数和(自身を含む): 1674559488

約数和(自身を除く): 945984592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 223, 248, 434, 446, 496, 868, 892, 941, 1561, 1736, 1784, 1882, 3122, 3472, 3568, 3764, 6244, 6587, 6913, 7528, 12488, 13174, 13826, 15056, 24976, 26348, 27652, 29171, 48391, 52696, 55304, 58342, 96782, 105392, 110608, 116684, 193564, 204197, 209843, 233368, 387128, 408394, 419686, 466736, 774256, 816788, 839372, 1468901, 1633576, 1678744, 2937802, 3267152, 3357488, 5875604, 6505133, 11751208, 13010266, 23502416, 26020532, 45535931, 52041064, 91071862, 104082128, 182143724, 364287448, 728574896]

約数ペア:

[(1, 728574896), (2, 364287448), (4, 182143724), (7, 104082128), (8, 91071862), (14, 52041064), (16, 45535931), (28, 26020532), (31, 23502416), (56, 13010266), (62, 11751208), (112, 6505133), (124, 5875604), (217, 3357488), (223, 3267152), (248, 2937802), (434, 1678744), (446, 1633576), (496, 1468901), (868, 839372), (892, 816788), (941, 774256), (1561, 466736), (1736, 419686), (1784, 408394), (1882, 387128), (3122, 233368), (3472, 209843), (3568, 204197), (3764, 193564), (6244, 116684), (6587, 110608), (6913, 105392), (7528, 96782), (12488, 58342), (13174, 55304), (13826, 52696), (15056, 48391), (24976, 29171), (26348, 27652)]