1278889787

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{2137}}^1$

素因数の和:2315

約数の個数: 32

約数和(自身を含む): 1596008448

約数和(自身を除く): 317118661

約数列:

[1, 7, 17, 47, 107, 119, 329, 749, 799, 1819, 2137, 5029, 5593, 12733, 14959, 35203, 36329, 85493, 100439, 228659, 254303, 598451, 703073, 1600613, 1707463, 3887203, 10746973, 11952241, 27210421, 75228811, 182698541, 1278889787]

約数ペア:

[(1, 1278889787), (7, 182698541), (17, 75228811), (47, 27210421), (107, 11952241), (119, 10746973), (329, 3887203), (749, 1707463), (799, 1600613), (1819, 703073), (2137, 598451), (5029, 254303), (5593, 228659), (12733, 100439), (14959, 85493), (35203, 36329)]