12866890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 24748416

約数和(自身を除く): 11881526

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1301, 1978, 2602, 4945, 6505, 9890, 13010, 29923, 55943, 59846, 111886, 149615, 279715, 299230, 559430, 1286689, 2573378, 6433445, 12866890]

約数ペア:

[(1, 12866890), (2, 6433445), (5, 2573378), (10, 1286689), (23, 559430), (43, 299230), (46, 279715), (86, 149615), (115, 111886), (215, 59846), (230, 55943), (430, 29923), (989, 13010), (1301, 9890), (1978, 6505), (2602, 4945)]