15990128

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12979}}^1$

素因数の和:13005

約数の個数: 40

約数和(自身を含む): 38628480

約数和(自身を除く): 22638352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 12979, 25958, 51916, 90853, 103832, 142769, 181706, 207664, 285538, 363412, 571076, 726824, 999383, 1142152, 1453648, 1998766, 2284304, 3997532, 7995064, 15990128]

約数ペア:

[(1, 15990128), (2, 7995064), (4, 3997532), (7, 2284304), (8, 1998766), (11, 1453648), (14, 1142152), (16, 999383), (22, 726824), (28, 571076), (44, 363412), (56, 285538), (77, 207664), (88, 181706), (112, 142769), (154, 103832), (176, 90853), (308, 51916), (616, 25958), (1232, 12979)]