391209553

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{761}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 486899712

約数和(自身を除く): 95690159

約数列:

[1, 7, 23, 31, 103, 161, 217, 713, 721, 761, 2369, 3193, 4991, 5327, 16583, 17503, 22351, 23591, 73439, 78383, 122521, 165137, 514073, 542593, 548681, 1802809, 2429873, 3798151, 12619663, 17009111, 55887079, 391209553]

約数ペア:

[(1, 391209553), (7, 55887079), (23, 17009111), (31, 12619663), (103, 3798151), (161, 2429873), (217, 1802809), (713, 548681), (721, 542593), (761, 514073), (2369, 165137), (3193, 122521), (4991, 78383), (5327, 73439), (16583, 23591), (17503, 22351)]