2148049705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 2762968320

約数和(自身を除く): 614918615

約数列:

[1, 5, 17, 85, 139, 281, 647, 695, 1405, 2363, 3235, 4777, 10999, 11815, 23885, 39059, 54995, 89933, 181807, 195295, 449665, 664003, 909035, 1528861, 3090719, 3320015, 7644305, 15453595, 25271173, 126355865, 429609941, 2148049705]

約数ペア:

[(1, 2148049705), (5, 429609941), (17, 126355865), (85, 25271173), (139, 15453595), (281, 7644305), (647, 3320015), (695, 3090719), (1405, 1528861), (2363, 909035), (3235, 664003), (4777, 449665), (10999, 195295), (11815, 181807), (23885, 89933), (39059, 54995)]