51643475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1213}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 69547632

約数和(自身を除く): 17904157

約数列:

[1, 5, 13, 25, 65, 131, 325, 655, 1213, 1703, 3275, 6065, 8515, 15769, 30325, 42575, 78845, 158903, 394225, 794515, 2065739, 3972575, 10328695, 51643475]

約数ペア:

[(1, 51643475), (5, 10328695), (13, 3972575), (25, 2065739), (65, 794515), (131, 394225), (325, 158903), (655, 78845), (1213, 42575), (1703, 30325), (3275, 15769), (6065, 8515)]