139657868

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{106123}}^1$

素因数の和:106181

約数の個数: 24

約数和(自身を含む): 285261312

約数和(自身を除く): 145603444

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 106123, 212246, 424492, 742861, 1485722, 2971444, 4987781, 9975562, 19951124, 34914467, 69828934, 139657868]

約数ペア:

[(1, 139657868), (2, 69828934), (4, 34914467), (7, 19951124), (14, 9975562), (28, 4987781), (47, 2971444), (94, 1485722), (188, 742861), (329, 424492), (658, 212246), (1316, 106123)]