12971552

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 28540512

約数和(自身を除く): 15568960

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 857, 946, 1376, 1714, 1892, 3428, 3784, 6856, 7568, 9427, 13712, 15136, 18854, 27424, 36851, 37708, 73702, 75416, 147404, 150832, 294808, 301664, 405361, 589616, 810722, 1179232, 1621444, 3242888, 6485776, 12971552]

約数ペア:

[(1, 12971552), (2, 6485776), (4, 3242888), (8, 1621444), (11, 1179232), (16, 810722), (22, 589616), (32, 405361), (43, 301664), (44, 294808), (86, 150832), (88, 147404), (172, 75416), (176, 73702), (344, 37708), (352, 36851), (473, 27424), (688, 18854), (857, 15136), (946, 13712), (1376, 9427), (1714, 7568), (1892, 6856), (3428, 3784)]