256848876

素因数分解:

$2^2\times 3^2\times {\mathrm{569}}^1\times {\mathrm{12539}}^1$

素因数の和:13118

約数の個数: 36

約数和(自身を含む): 650449800

約数和(自身を除く): 393600924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569, 1138, 1707, 2276, 3414, 5121, 6828, 10242, 12539, 20484, 25078, 37617, 50156, 75234, 112851, 150468, 225702, 451404, 7134691, 14269382, 21404073, 28538764, 42808146, 64212219, 85616292, 128424438, 256848876]

約数ペア:

[(1, 256848876), (2, 128424438), (3, 85616292), (4, 64212219), (6, 42808146), (9, 28538764), (12, 21404073), (18, 14269382), (36, 7134691), (569, 451404), (1138, 225702), (1707, 150468), (2276, 112851), (3414, 75234), (5121, 50156), (6828, 37617), (10242, 25078), (12539, 20484)]