256103638

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{220399}}^1$

素因数の和:220491

約数の個数: 16

約数和(自身を含む): 444326400

約数和(自身を除く): 188222762

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 220399, 440798, 1542793, 3085586, 18293117, 36586234, 128051819, 256103638]

約数ペア:

[(1, 256103638), (2, 128051819), (7, 36586234), (14, 18293117), (83, 3085586), (166, 1542793), (581, 440798), (1162, 220399)]