1640677318

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{7247}}^1$

素因数の和:7516

約数の個数: 32

約数和(自身を含む): 2858379264

約数和(自身を除く): 1217701946

約数列:

[1, 2, 7, 14, 103, 157, 206, 314, 721, 1099, 1442, 2198, 7247, 14494, 16171, 32342, 50729, 101458, 113197, 226394, 746441, 1137779, 1492882, 2275558, 5225087, 7964453, 10450174, 15928906, 117191237, 234382474, 820338659, 1640677318]

約数ペア:

[(1, 1640677318), (2, 820338659), (7, 234382474), (14, 117191237), (103, 15928906), (157, 10450174), (206, 7964453), (314, 5225087), (721, 2275558), (1099, 1492882), (1442, 1137779), (2198, 746441), (7247, 226394), (14494, 113197), (16171, 101458), (32342, 50729)]