3981655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 5110560

約数和(自身を除く): 1128905

約数列:

[1, 5, 17, 85, 139, 337, 695, 1685, 2363, 5729, 11815, 28645, 46843, 234215, 796331, 3981655]

約数ペア:

[(1, 3981655), (5, 796331), (17, 234215), (85, 46843), (139, 28645), (337, 11815), (695, 5729), (1685, 2363)]