139985425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1217}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 179426016

約数和(自身を除く): 39440591

約数列:

[1, 5, 25, 43, 107, 215, 535, 1075, 1217, 2675, 4601, 6085, 23005, 30425, 52331, 115025, 130219, 261655, 651095, 1308275, 3255475, 5599417, 27997085, 139985425]

約数ペア:

[(1, 139985425), (5, 27997085), (25, 5599417), (43, 3255475), (107, 1308275), (215, 651095), (535, 261655), (1075, 130219), (1217, 115025), (2675, 52331), (4601, 30425), (6085, 23005)]