887691364

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1\times {\mathrm{439}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 1792707840

約数和(自身を除く): 905016476

約数列:

[1, 2, 4, 7, 14, 28, 257, 281, 439, 514, 562, 878, 1028, 1124, 1756, 1799, 1967, 3073, 3598, 3934, 6146, 7196, 7868, 12292, 72217, 112823, 123359, 144434, 225646, 246718, 288868, 451292, 493436, 505519, 789761, 863513, 1011038, 1579522, 1727026, 2022076, 3159044, 3454052, 31703263, 63406526, 126813052, 221922841, 443845682, 887691364]

約数ペア:

[(1, 887691364), (2, 443845682), (4, 221922841), (7, 126813052), (14, 63406526), (28, 31703263), (257, 3454052), (281, 3159044), (439, 2022076), (514, 1727026), (562, 1579522), (878, 1011038), (1028, 863513), (1124, 789761), (1756, 505519), (1799, 493436), (1967, 451292), (3073, 288868), (3598, 246718), (3934, 225646), (6146, 144434), (7196, 123359), (7868, 112823), (12292, 72217)]